Our Featured Gemological WriterCollecting Prescious And Semi-Prescious Stones
By Lee MacRae
Many people, young and old, say collecting semi-precious and precious gemstones like
loose diamonds or
loose gemstones is a passionate hobby. They simply love the beauty and the colors of the wide array of gemstones you can find just about everywhere in the world. Follow along as we discuss a number of things you need to know when starting to collect varieties of gemstones yourself.
Right at the start you need to learn all you can on the wide variety of stones available. You'll find it very helpful to know what exactly you're looking for so you buy the right items. A knowledgeable buyer is a wise one.
First, color is a major part in evaluating a gemstone. The closer the color comes to its purer spectral value the more highly prized it is. Remember that the spectral colors include red, orange, yellow, green, blue, and violet. Colors that are darker or palerthan a pure color are considered a lower value.
Gemstone cut is very important and is used not only to appraise diamonds but gemstones in general as well. A precision cut will highlight the gemstone's color, lessen any inclusions and exhibits good overall symmetry and proportion. One way to determine the precision in gemstone cut is to consider how consistent and well, it reflects the light over its entire surface. But if a gem is cut too shallow, most of this light were refracted away rather than reflecting internally. Gem color appears washed out.
The next factor to consider is the clarity. This is talking about the gemstones purity with no internal conclusions, spots, or particles within the crystal structure. Obviously, stones with a lack of flaws are hard to find and make your stones very valuable.
You will often find that gemstones are often listed according to their size aspect since it is more uniform than carat weight. But two different gemstones may have the same size but have different carat weights that result in different in prices as well. This is due to the difference of specific gravity or relative density depending upon the materials chemical composition and crystalline structure. Normally a one carat brilliant round diamond with normal proportions is approximately 6.5 mm around. A comparable a brilliant ruby of the same proportions in size will weigh in at 1.55 carats.
Taking up the hobby of gemstones can become an enjoyable pastime and also rewarding in the long run. You don't need to spend a lot of money and yet you can end up with some very beautiful stones. Many people loved to spend weekends to go hunting for raw gemstones. Take the example of the US. In Alabama you can find Beryl, blue and yellow; Smoky Quartz and Hematite. Or you can take the time to travel and find opal in Opalton, Yowah, Queensland, Austalia, topaz in Killiecrankie, Tasmania or hunt in the garnet fields in Fullarton River in Queensland, Australia.
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More Info On natural green diamonds
Very Good Grade diamonds: This grade also has high brilliance and scintillation,
but expect them to be a bit darker in the center or around the edges. In some
cases a diamond can have top brilliance and scintillation, but be down graded by
its pattern. The stone above has a splintery pattern that prevents it from being
graded excellent.
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Carnelian is a wonderful orange stone. It is used for great beads, cabochons and
cameos. Try some carnelian jewelry for nice orange accents to your wardrobe.
Carnelian is usually ranges from bright orange to reddish orange. The shades of
red are due to iron oxide. Carnelian has a hardness rating of 7.
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How To Collect Loose Gemstones
By Lee MacRae
Gemology is a term referring to the art, profession and science of evaluating and identifying rocks known as
natural diamonds or
loose gemstones. A number of people taken up gemology as a hobby. They collect and evaluate
loose diamonds or
loose gemstones. Some people even begin to travel to different areas to look for rough gemstones. Some hobbyists will learn to cut or tumble the gemstones they find. If this hobby interest you then read along as this article discusses the things you should know to start this hobby.
To begin with your first priority is to get yourself some books on gemstones. You want to learn everything there is to know about your new hobby. The more you understand about gemstones the wiser will be your purchases. You'll know exactly what to look for in a quality stone.
Color is a subjective idea but a very important part in evaluating a gemstone. The closer a color is to its pure spectral color the more valuable it is. Traditionally, these specter colors are orange, green, yellow, Violet and blue. Colors that are darker or palerthan a pure color diminish the value of the stone.
Gemstone cut is very important and is used not only to appraise diamonds along with gemstones. A precision cut gemstone showcases the natural color of the gemstone, diminish any inclusions, and show off its symmetry and proportions. One way to determine the precision regarding the cut of the gemstone is if it is able to reflect light on a consistent level throughout the surface of the stone. If the stone is cut on the shallow side most of this light were refracted away rather than reflecting inside. Gemstone color will be washed out.
Our next consideration is the issue of gemstone clarity. The aspect of clarity refers to the internal flaws ( known as inclusions) or the outside blemishes of a stone. Larger flaws can be seen with the unaided eye while others need a 10X magnification.
Gemstones are often listed according to their size criteria because it is more uniform than carat weight. But different gemstones may be the same size but have different carat weights that result in different in prices as well. This is due to the nature of gemstone difference of specific gravity or relative density and depends on the materials chemical composition and crystal structure type For example, a one carat round diamond of typical proportions will be approximately 6.5 mm in diameter. A ruby that is the same size will weigh approximately 1.55 carats.
Although gemstones are normally used for jewelry, they are perfectly good collectibles in their own right. Actually there are many interesting and attractive gems that are just too big or fragile to be used for jewelry. Look at each loose gemstone and consider it as a piece of art and value it for its unusual nature and for the craftsmanship of the artisan who shaped it. And in this hobby you don't have to always lay out cash because you can find your raw materials through field trips In the United States in Maine you can find Tourmaline, Beryl, Rose Quartz, Pearl, Topaz, Amazonite, Clear & Smoky Quartz and Aquamarine. And in Canada you can find rhodonite at various locations in British Columbia or amazonite (microcline) near Lac St-Jean, Quebec and even Ammolite, a rare gemstone found only in southern Alberta. Think of collecting gemstones as a great hobby and pastime.
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Learn More About affordable loose diamonds
This form of Cryptocrystaline Quartz contains inclusions of small crystals that
reflect light and give a range of colors - depending on the nature of the
inclusion. Hence aventurine may be green, greenish-brown, blueish-white, bluish
green and orange. Aventurine has a hardness rating of 7.
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The sapphire comes in all shades of blue. The most sought after shade is
Cornflower Blue Sapphire, the finest of all the sapphires. It is a gleaming blue
gem with a touch of purple in it. The Royal Blue variety is velvety and the
cobalt in it lets the viewer wonder how deep it really is. Marine Blue sapphires
carry the color and dramatic tones of the oceans. Sapphires come in all
different shades of blue. Titanium and Iron show up more in the rocks where
sapphires are formed, however, they are formed differently all over the world.
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Topaz can be found in streams, rivers and in gravel deposits. It is found mainly
in gem pegmatites where the presence of fluorine can be found. Flourine provides
a rich environment for the stones to grow into very large crystals. In fact,
without the presence of Flourine topaz would not exist. Topaz crystallizes
orthorhombically and develops columns with square and diamond shapes planes with
multisurfaced heads. Topaz can also be found in cracks and cavities where a
combination of Flourine and silica and alumina which was released by very hot
temperatures caused the gems to form. Chromium Oxide is what provides its
beautiful color.
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Gemstones Scene Information
Latest Gemological ArticleSo You Want To Collect Gemstones
By Lee MacRae
The term gemology refers to the science, art and profession of identifying and evaluating gemstones from
loose gemstones to
natural diamonds. A number of people taken up this profession as a passionate hobby. They become interested in collecting
loose gemstones or
loose diamonds. A number of these hobbyists start to visit different areas nearby or in some cases other countries to look for rough gemstones. Some of them will even tumble or finish off the gemstones themselves. If this sounds like a hobby you would like to get involved in follow along as we discuss the different aspects of this hobby.
The first thing you need to do is to visit the library and get some books. You want to learn as much as you possibly can about your new hobby. The more you understand about gemstones the wiser will be your purchases. You need to be as informed as possible.
One of the first things you look at Is gemstone color. Top grade gemstones exhibit colors similar to the exact spectral color of orange, green, yellow, Violet or blue. Gemstone colors that are somewhat muted or too dark can lower the value quite easily.
The cut of your gemstone is one of the most important traits in evaluating gemstones. The stone has to be cut correctly to reflect light properly. A gemstone with an improper cut can't reflect the light consistently over its surface. Color tone, saturation, and hue will never be consistent.
Gemstone clarity is our next factor. When we talk of clarity it relates to the amount of inclusions (trace elements or large particles of other elements or minerals) that a gem has. A gemstones that is normally found to be clean is more valuable. To see flaws beyond with the eye can see requires a 10X gemstone clarity magnifier or gem microscope. Most hobbyists will get a jewelers diamond gemstone loupe 10X for viewing their coins, beads, stamps or in our case gemstones.
You will often find that gemstones are often listed according to their size criteria since it is more uniform than carat weight. But two different gemstones may have the same size but differ in carat weights and as a result different pricing structures. This is due to the difference in relative density or specific gravity depending upon the materials chemical composition and crystalline structure. Normally a one carat brilliant round diamond of typical proportions will be approximately 6.5 mm in diameter. A ruby that is the same size will weigh in at 1.55 carats instead.
Taking up the hobby of gemstones can be very enjoyable and rewarding in the long run. You don't need to spend a lot of money and yet you can build a very exquisite collection. Many people love to set aside vacation or weekend time to go looking for gemstones. Take the example of the US. In New Jersey you can find Smoky Quartz, Agate, Pearl and Prehnite. Or ou can take a longer vacation and find opal at Lightning Ridge in NSW, Austalia, topaz in Killiecrankie, Tasmania or hunt the peridot fields in Mortlake in Victoria, Australia.
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Electronic gem therapy is an alternative treatment that has been gaining some
level of interest. You may be surprised to find out that electronic gem therapy
comes backed by a number of conclusive case studies that attest to its
effectiveness. It sure did not come about because of someone�s imagination.
Electronic gem therapy is based on Ayurvedic theories but has been creatively
adapted to modern times and technology. This therapy says that every color of
gemstones has a corresponding illness that it can heal, including eczema. It
uses both light energy and precious stones to reach your body cells on a
subatomic level. It assimilates energy to injured tissues via the use of
gemstones� dielectric resonating characteristics. In consequence, it stimulates
the natural healing abilities of your body.
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The Hixon Ruby Crystal is a 196.10-carat gem that was donated to the Natural
History Museum of Los Angeles in 1978 by Frederick C. Hixon. It is considered to
be one of the most perfect large ruby crystals in the world.
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Our Featured Gemstone WriterStarting To Collect Loose Gemstones
By Lee MacRae
Why would anyone collect items like
loose gemstones, you ask? Well for one thing they are very beautiful items. And like their higher counterpart,
natural diamonds they can become extremely valuable over the years. Many hobbyists love to collect and show case the wide variety of gemstones available today. Read long as we examine the
loose gemstones hobby.
The first thing you need to do is to get yourself some reading material. You want to learn as much as possible about the subject of gemstones. The more you know about each kind of gemstone the less likely you are to make a mistake. You'll know exactly what to buy.
The first item to factor in should be the color of the stone. You want the gemstone to be as close in color as possible to the pure colors of the spectrum. This means orange, red, violet, green, yellow, and blue. The prices for very pale or very dark precious and semi precious stones are lower.
The cut of the stone is extremely important and is used not only to appraise diamonds but you're gemstones as well. A precision cut gemstone highlights the natural color of the gemstone, lessen any inclusions and show off its symmetry and proportions. One way to determine the precision in the cut of the stone is to consider how consistently it reflects the light throughout the surface of the stone. If the stone is cut on the shallow side most of this light were refracted away rather than reflecting internally. Gem color appears washed out.
Our next consideration is the clarity of the gemstone. The aspect of clarity refers to the internal conclusions or flaws of the gemstone under consideration. Larger flaws can easily be seen with the naked eye with others requiring a 10X magnification.
Next up are weight and size. Other than the corals and pearls gemstones are valued by the unit called the carat. One carat equals a 0.2 grams. Be aware however, that weight and size are not always equal and gemstones. Density or specific gravity can vary in gemstones. If you have a diamond that weighs 1.00 carats, you will find a similar sized sapphire or ruby weighs out at 1.20 carats.
Taking up the collecting of loose gemstones can be very rewarding hobby. And there is such a variety in gemstones you can collect. You could try collecting Jasper, Quartz and its varieties or Iolite for instance. The choice and beauty and variety is almost endless. And if you like a hands on hobby you can go hunting for raw gemstones. Just in the United States in Texas You can find Beryl, Pearl and Tourmaline.
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Tips About purchase loose diamonds
Emeralds are hard but are sensitive and prey to flaws or inclusions. They
require a lot more care than most other gemstones. The flaws occur through the
trials imposed by nature, and sometimes the engineering process developed by man
. The identification of fissures, however, does serve a useful purpose. The
flaws help to weed out artificial emeralds from the real ones. Inclusions
actually prove an emeralds authenticity. Refraction and density of the stones
vary from the location where they are found. Emeralds are found buried in their
parent rock.
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Amethyst is the purple variety of quartz. To be called amethyst, it must be the
purple form of quartz although it can display a wide range of purple shades
including purple, lilac and mauve. The most valuable amethyst is a deep purple.
Amethyst is found in geodes and alluvial deposits all over the world and occurs
in both crystalline or massive forms. It is a 7 on the Mohs scale of hardness.
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Turquoise is often fracture sealed. This doesen't mean that it has fractures, it
means that it was seal ed with an acrylic resin to enhance it's color, texture,
and hardness. Turquoise is somewhat soft so avoid scratches and sharp blows. To
be certain and coatings are not removed also avoid hot water and household
chemicals.
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Why I Like Gemstones
Latest Gemological ArticleWhat are Gemstones and Gems?
By Chrisitne Breen
Today, the pride of possessing a rare and beautiful gemstone is as great as ever. Generally speaking, a gemstone is a stone that is beautiful, rare, and durable (resistant to abrasion, fracturing and chemical reactions). However, defining what a gemstone is has proven to be a major challenge. A gemstone is a precious or semi-precious stone used for jewelry.
Semi Precious Gemstones
A semi-precious gemstone includes any gemstone other than sapphire, emerald, or ruby. I have heard on a number of occasions that Tanzanite loose gemstones have now been accepted as a precious gemstone. A precious gemstone has brilliance, beauty, durability, and rarity, whereas a semi-precious gemstone has only one or two of these qualities.
Gemstone Properties
A gemstone is prized especially for great beauty or perfection so appearance is almost always the most important attribute of gemstones. Brilliance, luster, fire, and color determine beauty of a gemstone. The hardness of a gemstone is determined by what is known as the Mohs scale. The clarity of a gemstone is graded by how many, where, and how large these inclusions are located. Another essential quality of a gemstone is durability.
Gem Value
The value of a gemstone is determined by a combination of its color, clarity, cut, and rarity. The most important factor when considering any gemstone is the cutting. The magnificence of a gemstone is solely dependent on its cut. Cut - the cut of a gemstone is of extraordinary importance. Cutting style refers to the way in which a gemstone is cut or faceted. If a gemstone is well cut the beauty and worth of the gemstone is increased. The way a gemstone is cut can affect its color, clarity, and brilliance. The best way to determine the value of a gemstone is to have it appraised by two or three experts.
Real or Fake Gems
Ask whether the gemstone is natural, synthetic, or imitation. A natural gemstone is a mineral, stone or organic matter, which has been formed in nature without any human intervention. Any treatment process other than cutting and polishing that improves the appearance, durability, or availability of a gemstone is an enhancement. If you sell synthetic or imitation gemstones, you should tell the consumer that the gemstone is not natural.
Metaphysical Properties of Gemstones
Gemstones have a long history of use in ornamentation, and have been attributed metaphysical properties. The correct choice of the gemstone is done on the basis of study of a person�s horoscope. Generally coral gemstone is also an ideal gem for a happy marital life. Other gems are useful for bringing emotional balance and to sooth heartaches. The shape affects the healing energy of a gemstone. The blue of sapphires represents faithfulness and love, so this gemstone is given in many countries as an engagement ring. Semi-precious gemstone bracelets are often chosen for their healing properties. Precious stones are believed for centuries to possess special power and the gemstone ring are supposed to bring its owner luck, health, and wealth.
About The Author
After learning about gemstones visit Gems Explained to learn about all gems.
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Tips About natural fancy color diamond
Tiger Eye is often heat treated. This is permanent so no extra care is required.
As with all gems, protect topaz from scratches and sharp blows. Also avoid large
temperature changes (such as leaving it be a heater vent or in a hot car).
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E.W. Streeter, in his book Precious Stones and Gems (1892), describes a number
of fine sapphires. One of these was in the collection of the Mus�e au Jardin des
Plantes, in Paris, and weighed 133.06 carats. The same stone was also described
by Sourindro Mohun Tagore in his classic, Mani-M�l� (1879, 1881), referring to
it as the Wooden Spoon-Seller�s Sapphire, in reference to the poor man who is
said to have found it in Bengal, India. Streeter said it was without flaw. This
is undoubtedly the same stone that resides today in Paris's Museum of Natural
History, for it is of a distinctive lozenge shape and possesses only six facets,
appearing like a huge sapphire rhomb. It is indeed nearly "without flaw,"
containing only one small feather and crystal inclusion, and is possibly of
Burmese or Sri Lankan origin. According to the museum's H.J. Schubnel, the
sapphire actually weighs 135.80 carats. In the museum it is known as the Ruspoli
Sapphire. During the 17th century, a Roman prince named Ruspoli sold this
sapphire to a salesman, who in turn, sold it to King Louis XIV sometime before
1691. At that time it was the third most prominent gem in the French Crown
Jewels.
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Television movies for the week of Jan. 11 - Pittsburgh Post Gazette
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Television movies for the week of Jan. 11Pittsburgh Post Gazette, PA - Jan 10, 2009Lou Diamond Phillips. A ravenous creature wreaks havoc and later multiplies aboard a bullet train that is on its inaugural voyage. (NR) (2:00) SCI-FI: Fri. ... |
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Our Featured Gemological Article
Gemstones For Sale
Learn More About loose white diamonds
Gemstones are generally sold by weight, and not by size. The price will be per
carat, which is one-fifth of a gram. Some gems are heavier than others so the
same weight stone may be a different size! The carat weight also affects the
price: large gemstones are more rare, so the price per carat is higher.
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The Clarity of a diamond is based on the number, location, size, and type of
inclusions found in the stone. An inclusion is an imperfection or trace mineral
in the stone that is visible under the magnification of a jeweler's loupe. The
fewer inclusions the diamond has; the clearer, more brilliant and more expensive
the diamond will be. A "Flawless" diamond is one that has no inclusions and is
extremely rare and valuable.
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Gemstone Scene ArticleHow To Collect Loose Gemstones
By Lee MacRae
Gemology is a term referring to the science, art and profession of identifying and evaluating gemstones from
loose gemstones to
natural diamonds. Many people take up gemology as a hobby. They become very interested in starting to collect
loose diamonds or
loose gemstones. Some people even begin to visit various locations close by to look for rough gemstones. Some even tumble or learn to cut their own gemstones. If you have an interest in this hobby follow along as we show you the different aspects of this hobby.
The first step in beginning this hobby the wise way is by acquiring knowledge about them. By taking a look in your local bookstore you can find books on the subject that will make you an informed buyer.
First on the list to evaluate is gemstone color. Without a doubt, gemstones are the most intensely colored naturally occurring materials you can find. Gems have become so synonomous with color, they've even become associated with particular ones. Everyone knows ruby red, emerald green, sapphire blue, aquamarine, turquoise, and jade green Gemstones will have a higher value when they are equal in color to the spectral colors of yellow, blue, violet, green, orange and red. They drop in value the farther they are from the natural color.
Gemstone cut is an important factor to consider when you value gemstone. The stone has to be cut correctly to reflect light properly. A stone that has a poor cut can't reflect the light consistently over its surface. Tone, color saturation, and color hue will always look inconsistent.
The clarity in a stone is an important consideration. When we talk of clarity it relates to a stones relative freedom from inclusions or blemishes. A flawless gemstone is obviously worth more. To determine the flaws not seen with the unaided eye requires a gemstone loupe or gemstone microscope. Many hobbyists will buy an inexpensive 10X gemstone or jewelers loup for viewing their coins, beads, stamps or in our case gemstones.
Next up are size and weight. Other than the corals and pearls gemstones are priced by the carat. One carat equals a 0.2 grams. You should know however that size and weight and gemstones are not the same. The density and specific gravity can differ in stones. Take a diamond that weighs 1.00 carats and you will see that a similar sized sapphire or ruby would weigh 1.20 carats.
Getting involved in collecting gemstones can be very enjoyable and could be rewarding as well over time. You can take your time and not lay out a lot a cash at the start and yet you can buy some very beautiful items. Many people loved to spend weekends to go hunting for raw gemstones. For example in Minnesota you can hunt for Agate and Thomsonite. Or ou can take a longer vacation and find opal in Opalton, Yowah, Queensland, Austalia, topaz in Beechworth, Victoria or hunt the quartz regions in Yellowdine Lake in Western Australia.
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Hints About natural colored diamonds
Laboratory grown synthetic gemstones have essentially the same appearance and
optical, physical, and chemical properties as the natural material that they
represent. Synthetic gemstones produced in the United States include alexandrite
, coral, diamond, emerald, garnet, lapis lazuli, quartz, ruby, sapphire, spinel,
and turquoise. Laboratory grown simulants have an appearance similar to that of
a natural gemstone but have different optical, physical, and chemical properties
.
at Loose Diamonds Galore!
The Reward of Faith Sapphire. This stone was was found in 1975 at the Reward
gemfield near Rubyvale in Queensland, Australia. In 1983 it was cut into the
52.36-carat round you see here, measuring 22.35 mm across and 13.49 mm deep. It
is still owned by its original owner. The stone's color in the photograph is
close to the true color but this does change considerably, to a deeper red,
depending on the nature of the light, although perhaps not strongly enough to be
called a color change sapphire.
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