Sunday, August 03, 2008

Gemstones Scene Info

Our Featured Gemological Writer

Collecting Prescious And Semi-Prescious Stones


By Lee MacRae


Many people, young and old, say collecting various loose gemstones or loose diamonds is a favorite pastime. Many people have a great love of the various gemstones found worldwide today. Read long as we examine the things you need to know in starting in this interesting hobby.


The very first step in becoming a gemstone collector the intelligent way is by acquiring knowledge about them. By taking a quick trip to the library or local bookstore you can find everything you need to know that will let you make wise purchases from the beginning.


The first item to look at should be stone color. You want the stone to be as close in color as possible to the pure colors of the spectrum. This means red, orange, yellow, green, blue, and violet. The prices of very dark are very pale precious and semi precious gemstones are lower in value.


How the gemstone is cut is the second most important factor to look at before a purchase. How precise the cut is will determine how much light is reflected by the gemstone. The cut will ultimately determine the stones brilliance and how much someone will pay for it.


Gemstone clarity is our next factor. Clarity refers to the amount of inclusions (trace elements or large particles of other elements or minerals) that a gem has. A flawless gemstone is obviously valued highly. To examine flaws not seen with the naked eye requires a gemstone loupe or gemstone microscope. Most hobbyists will use a 10X jewelers were gemstone loup for viewing stamps, coins, beads as well as gems.


Another consideration is the duo of weight and size. Due to the fact gemstones can vary in density or specific gravity. Size and weight are not necessarily equal from stone to stone. If you have a diamond that weighs 1.00 carats an equal sized ruby would weigh 1.20 carats instead. An equal sized Emerald would be 0.95 carats while an Alexandrite stone would be about 1.23 carats.


Getting involved in collecting gemstones can be very enjoyable and could be rewarding as well over time. You don't need to spend a lot of money and yet you can end up with some very beautiful stones. Many people love to set aside vacation or weekend time to go looking for gemstones. Take the example of the US. 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 Killiecrankie, Tasmania or check out the quartz regions in Cloncurry in Queensland, Australia.


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Learn More About loose diamonds gemstones



Topaz is a beautiful light blue or yellow stone. Yellow Topaz is November's
birthstone while blue topaz is December's birthstone. It is much less expensive
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More Info On Gemstones

Gemstone Scene Article

So You Want To Collect Gemstones


By Lee MacRae


Why would anyone collect items like loose gemstones, you ask? For many people it's because gemstones are extremely beautiful. And like their more familiar cousin, natural diamonds, they can become extremely valuable over the years. Many in this hobby love to collect and work with each and every one of the 150 varieties available. Follow along as we examine the loose gemstones hobby.


The first thing you need to do is to visit the library and get some books. You want to learn as much as possible about the subject of gemstones. The more you understand about gemstones the less likely you are to make a mistake. You will know exactly what to look for.


The first item to look at should be the color of the stone. You'll want the stone to be as close in color as possible to the pure colors of the spectrum. This means red, orange, yellow, green, blue, and violet. The prices of very dark are very pale semiprecious and precious stones are lower.



The cut of the stone is extremely important and is used not only to appraise diamonds but gemstones as well. A precision cut will highlight the gemstone's color, diminish any inclusions, and exhibits good overall symmetry and proportion. One way of determining the excellence of its cut is to check how well and consistent it reflects light throughout its surface. If the gemstone is cut to shallow most of the light will refract out instead of reflecting internally. That will make the gem seem washed out and windowed.


The clarity in a stone is the next item to consider. Gemstone clarity relates to the absence of flaws or blemishes inside the stone. A perfect gemstone is obviously worth more. To examine flaws not seen with the naked eye you need a gem microscope or gemstone clarity magnifier. Serious hobbyists will employ a 10X jewelers were gemstone loup for viewing stamps, coins, beads as well as gems.


Next to consider are weight and size. Except for corals and pearls, all gemstones are priced by the carat. A carat is equal to 0.2 grams. Be aware however, that weight and size are not always equal and gemstones. 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 ruby or sapphire weighs 1.20 carats.


Though you may find gemstones used a lot in jewelry, loose gemstones are great for collecting. In fact, there are many attractive and interesting 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 unique nature and vibrant colors. And unlike many hobbies where you have to buy everthing you can use vacation time to actually hunt for raw gemstones in stead of buying. In the US in New Mexico you'll find Turquoise, Garnet, Peridot, Rock Crystal and Obsidian And in Canada you can hunt for opal in the Okanagan, British Columbia or Tourmaline from Chatham Twonship, Quebec along with Ammolite, a rare gemstone found only in southern Alberta. Think of collecting gemstones as a great hobby and pastime.


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American Golden Topaz, a 172-faceted topaz weighing 22,892.5 carats (4.5785 kg),
is the largest cut yellow topaz in the world, and one of the largest faceted
gems of any type in the world. Originating from Minas Gerais, Brazil, it was cut
by Leon Agee over a period of two years from an 11.8 kg (26 lb avdp) stream-
rounded cobble. It was purchased by Rockhound Hobbyists of America and presented
to the Smithsonian Institution in 1988 and is displayed in the National Museum
of Natural History in Washington, D.C.
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The Delong Star Ruby is over 100 carats and is now found in the Natural History
Museum in New York. In 1964 the Delong Star Ruby and the Star of India sapphire
were stolen by a gang of 3, including Jack Murphy (or 'Murph the Surf') and were
ransomed from $25,000 and both recovered. The Delong Star was found at a
designated drop off site - a phone booth in Florida.
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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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