Tuesday, November 11, 2008

More Information On Gemstones

Latest Gemological Article

Starting To Collect Loose Gemstones


By Lee MacRae


For many people collecting semi-precious and precious gemstones like loose diamonds or loose gemstones is a passionate hobby. Many people have a great love Of the assorted number of gemstones found around the world today. Read long as we examine the things you need to know when starting to collect gemstones yourself.


To start off right you'll need the knowledge on the wide variety of stones available. This knowledge will help you to know the properties of each stone so you buy the right items. This will help you make informed decisions.


The first item to look at is the color of the stone. You want the stone to be as close as possible to the pure spectrum colors. The spectral colors are violet, orange, yellow, green, blue, and red. In general terms, the prices of very dark are very pale precious and semi precious stones are lower in value.



Cut is one of the all-important 4Cs and factors highly into the appraisal of not only diamonds along with gemstones. An excellent cut will highlight the gemstone's color, diminish any inclusions, and exhibits good overall symmetry and proportion. One excellent way to determine the excellence of gemstone cut is to consider how consistently it reflects the light throughout the surface of the stone. But if a gem is cut too shallow, much of the light will refract out of the gem rather than reflecting inside. That will make the gem seem washed out and windowed.


Our next consideration is the aspect of gemstone clarity. The aspect of clarity refers to the internal flaws ( known as inclusions) or the outside blemishes of the gemstone under consideration. Larger flaws can be seen with the naked eye while others need a 10X magnification.


Gemstones are often listed according to their size aspect because it is more uniform than carat weight. But two different gemstones may be of the same size but different carat weights and consequently, different pricing structures. This is due to the difference of specific gravity or relative density depending upon the chemical composition and crystalline structure. Normally a one carat brilliant round diamond of typical proportions will be approximately 6.5 mm in diameter. A comparable round brilliant ruby of the same size and proportions will weigh approximately 1.55 carats.


Getting involved in collecting gemstones can become an enjoyable pastime and rewarding in the long run. It doesn't have to be very expensive and yet you can build a very exquisite collection. Many people love to set aside vacation or weekend time to go hunting gemstones. Just in the United States in Virginia you can find Amethyst, Garnet, Beryl and Moonstone. And if you like to travel farther you can find opal in Coober Pedy, Andamooka or Mintabie in South Australia, topaz in Beechworth, Victoria or hunt in the garnet fields in Fullarton River in Queensland, Australia.


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Quartz that is formed of multigrained microcrystals, not just of one single crystal, is called chalcedony. The name is applied to many well-known varieties of gemstones. They are found in all 50 states and come in many colors and color combinations. Unlike quartz, chalcedony does not look clear and glassy but waxy and translucent. It refers specifically to translucent white, blue, pale grayish-blue, purple, pink, yellow, orange, red, or solid-colored chalcedony other than carnelian, sard, or Chrysoprase, which are naturally-colored chalcedony varieties. Most chalcedony used in jewelry, as with the stones used by James Avery, is color-enhanced for a more consistent color. It ranks 6.5 to 7 on the Mohs Scale of Hardness which means it is fairly durable to wear as jewelry.
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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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All The Latest News From The loose gemstone beads World

Triple Oval Necklace: Heart/ms (n-ov3h-ms)

Tue, 11 Nov 2008 08:21:39 -0800
Three brushed sterling silver ovals, double jumpringed together. Brushed vermeil heart accent on middle oval. 16'' 14kt gold-fill chain and toggle clasp. Matching earrings available. Necklace available in a variety of charms: heart, star, X, no charm.

Double Tiny Disc Earring: Brushed/ms (e-tdb2-ms)

Tue, 11 Nov 2008 08:21:39 -0800
Sterling silver and vermeil brushed double disc earring, measuring approximately 3/4'', sterling silver earwire.

Triple Oval Necklace: Heart/ms (n-ov3h-ms)

Tue, 11 Nov 2008 08:21:39 -0800
Three brushed sterling silver ovals, double jumpringed together. Brushed vermeil heart accent on middle oval. 16'' 14kt gold-fill chain and toggle clasp. Matching earrings available. Necklace available in a variety of charms: heart, star, X, no charm.


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Gemstones Scene Info

Gemstone Scene Article

The Hobby Of Loose Gemstone Collecting


By Lee MacRae


Why collect loose gemstones you ask? For many people it's because they are very beautiful items. And like their more familiar cousin, natural diamonds, their value increases over time. Many hobbyists love to collect and work with each and every one of the 150 varieties available. This article will discuss the hobby of loose gemstone collecting.


First off you need to learn all you can on the wide variety of stones available. This will help you to know what you're buying so you buy the right items. This will help you make informed decisions.


The chief thing you need to look at will be stone color. You'll want the gemstone to be as close as possible to the pure spectrum colors. We are talking about violet, orange, yellow, green, blue, and red. The prices of very dark are very pale precious and semi precious gemstones are lower than the vibrant colors.



The cut of the stone is extremely important and is used not only to appraise diamonds but along with your gemstones. An excellent cut will highlight the pure color of the stone, diminish any inclusions, and exhibits good overall symmetry and proportion. One way of determining the excellence regarding the cut of the gemstone is how well it reflects light on a consistent basis over the stones complete surface. If the stone is cut on the shallow side most of this light were refracted away instead of reflecting internally. The gem appears washed out.


Next up is the clarity of the gemstone. Clarity is the term that refers to the internal conclusions or flaws of the gemstone. Normally large flaws are visible to the naked eye while others need a 10X magnification.


Next item to look at is the duo of size and weight. Because gemstones can vary in density or specific gravity. Weight and size are not necessarily equal across the board. If a diamond of a certain size weighs 1.00 carats then a sapphire of equal size would weigh 1.20 carats. An Emerald of equal size would be approximately 0.95 carats while an Alexandrite gemstone would be about 1.23 carats.


Although gems are frequently used in jewelry, loose gemstones are great for collecting. In fact, there are many attractive and interesting gemstones that are simply too big and fragile for use in jewelry. Look at each stone and consider it as a piece of art and value it for its beautiful colors and the finish you apply to it. And unlike some hobbies that require you to pay for your specimens you can use vacation time to actually hunt for raw gemstones in stead of buying. In the US in Pennsylvania you can find Amethyst, Almandite Garnet and Pyrope Garnet, Beryl, Sunstone and Moonstone. And in Canada you can hunt for nephrite jade in Mount Ogden, British Columbia or labradorite on Tabor Island, and even ammolite from Lethbridge, Alberta. Take up gemstone collecting and you won't regret it.


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Tips About loose diamond online

The carat weight alone is almost meaningless unless you also consider the cut,
clarity and color of the diamond. A large diamond is not very valuable if it
lacks brilliance, purity and high-grade color. However, since larger stones are
rarer than smaller ones, diamond value rises exponentially with carat weight.
Therefore, a diamond weighing 3.0 carats, will always be worth more than three
1.0 carat stones of the same quality. No two diamonds are exactly alike, and you
must weigh all of the factors - color, cut, clarity and carat weight - when
making your diamond jewelry buying decision.
You will find loose diamond lots

We all know that cubic zirconias and other gemstone simulants can be substituted for the real thing, but did you know that supposed "real" gemstones can actually be layers of the real thing AND fakes? Unscrupulous wholesalers have found ways to fuse real gemstones to a base of a similar but fake mineral or man-made substance in an effort to trick less than careful stone buyers. Buyers who don't thoroughly test stones can miss these "doublets" and "triplets" - named for the number of layers fused together - and pass these stones on to the public in ignorance. So when buying an unusually expensive gemstone, it is always a good idea to question your jeweler to be sure they have thoroughly examined the stone to rule out these fakes. Some jewelry are made with doublet and triplets - opal jewelry and birthstone jewelry in particular - and this is considered appropriate to industry standards because they are not represented incorrectly or sold for more than they are worth. But when buying a high-quality, expensive sapphire or other colored stone, buying from a reputable jeweler is the safest way to go.
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The Andamooka Opal is a famous opal which was presented to Queen Elizabeth II in
the 1950s on the occasion of her first visit to Australia. It was discovered in
Andamooka, South Australia, an historic opal mining town. The opal was cut and
polished by John Altmann to a weight of 203 carats (40.6 g). It displays a
magnificent array of reds, blues, and greens and was set with diamonds into an
18 carat (75%) palladium necklet
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The Latest loose diamond online News

Racing Green Jaguar XKR 475 - Times Online

Sun, 09 Nov 2008 09:39:00 GMT
Review of Racing Green Jaguar XKR 475 by Jeremy Clarkson, the UKs favourite car journalist, exclusive to Times Online

Rahm Emanuel's Universe - Reason.com

Thu, 06 Nov 2008 20:19:00 GMT
Jim Lindgren reads from the manifesto of Rahm Emanuel, Obama's reported new chief of staff, and finds a man who wants, among other things, "universal college access," to cut ...


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