Collecting 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. A number of people taken up this profession more as a hobby. They collect and evaluate items like loose gemstone or natural diamonds. A number of these hobbyists start to visit different areas nearby or in other countries to look for raw gemstones. Some even tumble or learn to cut their own gemstones. If this hobby interest you read along as we show you the different aspects of this hobby.
The very first step in beginning this hobby the smart way is by getting adequate knowledge about them. By visiting a local library you can find everything you need to know that will make you an informed buyer.
The first criteria you need to evaluate is stone color. It is a fact that gemstones are the most intensely colored naturally occurring materials you can find. Gemstones are so related to color that they've even had their names combined with associated colors. Everyone knows ruby red, emerald green, sapphire blue, aquamarine, turquoise, and jade green Gemstones will have a higher value the closer they come to the natural spectral colors of yellow, blue, violet, green, orange and red. They drop in value the farther they deviate from the pure natural color.
How the gemstone is cut is the next factor to look at before a purchase is made. The precision of cut is the factor that determines the amount of light the gemstone stone will reflect. It will fully determine the brilliance of the stone and its final value.
The clarity in a stone is the next item to consider. Gemstone clarity relates to a stones relative freedom from inclusions or blemishes. A perfect gemstone is obviously valued highly. To examine flaws not seen with the naked eye requires a gemstone loupe or gemstone microscope. Many hobbyists will get a jewelers diamond gemstone loupe 10X for viewing their coins, beads, stamps or in our case gemstones.
Next thing to look at is the duo of weight and size. Because gemstones can vary in density or specific gravity. Weight and size are not equal for each and every stone. Take the example of a diamond that weighs 1.00 carats and an equal sized Sapphire would weigh more than 1.20 carats. An Emerald of equal size would be approximately 0.95 carats while an Alexandrite gemstone would be about 1.23 carats.
Taking up the hobby of 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 looking for gemstones. Take the example of the US. In North Carolina you can find Beryl, Aquamarine, Emerald, Almandite Garnet, Rhodolite, and Pyrope Garnet, Diamond, Cyanitecomma
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Gemstones For Sale
Hints On natural colored diamonds
The Black Prince's Ruby is actually a bead-shaped spinel weighing roughly 170
carats (34 g) that is the size of a chicken egg. It is currently set in the
cross patt�e above the 317.40 carat (63.48 g) Cullinan II in the front of the
Imperial State Crown. The Black Prince's Ruby is one of the oldest of the Crown
Jewels of the United Kingdom, with a known history dating back to the middle of
the 14th century and having been in the possession of the British kings since it
was given in 1367 to its namesake, Edward of Woodstock (the "Black Prince").
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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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In parts of the world sapphires may have come from ancient formations that were
once impure marble which developed over time through metamorphic conditions into
crystalline cal silicates known as skarns. A skarn is a metamorphic rock that is
usually variably colored green or red, occasionally grey, black, brown or white.
It usually forms by chemical processes that form rocks during metamorphism and
in the contact zone of magma like intrusions. Skarns in the igneous environment
are associated with marble and wider zones of cal silicate rocks. Mixtures of
corundum, titanium and iron were also a part of the crystallization process.
Because of this process there are numerous inclusions in a sapphire, and like
the ruby, they are useful in verification techniques when authenticating the
stone.
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More natural colored diamonds Info
Tiny Square Post Earring/gg (p-bts0-gg)
Fri, 14 Nov 2008 11:36:36 -0800
Brushed 23kt gold vermeil tiny square post earrings, measuring approximately 1/4''. Also available in brushed sterling silver. Matching necklace available.
Triple Oval Necklace: Heart/ms (n-ov3h-ms)
Fri, 14 Nov 2008 11:36:36 -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.
Interjewel USA launches Gray Diamond Collection - IDEX Online
Tue, 28 Oct 2008 15:39:33 GMT
Interjewel USA launches Gray Diamond Collection IDEX Online, Israel - ... the Natural Color Diamond Association (NCDIA) said in a statement. Many of the diamonds used in the Silvermist™ collection are from Rio Tinto’s Argyle ... |
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