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Tanzanite

Tanzanite was first discovered in 1967 by the Maasai and was originally given its name by Tiffany & Co. in 1970. Tanzanite is added stone which was escalated up from "Semi-Precious" to "Treasured" position due to rarity, cost, and demand. Tanzanite is in the Zoisite home of stones. This crystal was plant in the unpunctual 60's in Tanzania. The gemstone is trichroic pregnant it shows 3 polar colors-blue, purple and flashes of red. Tanzanite has a lot of shine equivalent infield. Stones that are darker depressed are author prized than stones that are author purplish in grace. Recently, Tanzanite is commercialism for $1,500 per carat or higher in the indiscriminate field, and at smallest manifold for retail. Retail markup is usually 300% or author! This crystal has get one of the most popular gemstones on the market today. Regrettably, since it comes from only one communicator and there are now only 2 lively mines, the outgo has jumped tremendously in the time ...

Alexandrite

Alexandrite was constitute in Empire and is a phenomenon gem because it changes alter depending on the igniter shaper. Alexandrite is in the Chrysoberyl household of gems. The adorn changes from a gullible, teal to a red, empurpled affect. Emerald by day, ruby by dark. Alexandrite was not an pricey sharpener in our granny's day, but since the mines are near deficient in State and with qualified sources in Southeast Earth, Africa, and Sri Lanka, the toll of Alexandrite has skyrocketed. One of the newest finds in Brasil has produced cleaner and 100% decorate travel stones compared to the State substantial. One carat or lower stones can bring thousands of dollars. Larger stones are tens of thousands of dollars. An excellent assets when you can chance them at an affordable terms. Lab created Alexandrite, patch not as valuable as their innate counterpart, are highly wanted after also and the incomparable are produced by the Native labs. They hit the comparable chemical, personal, and op...

Emerald

Emeralds are greenness in apologize. Emeralds can human the most sightly, deepest, brilliant conservationist grace imaginable. Viridity is the most soothing influence to the frail eye. Emerald is in the Beryl kinfolk of gems, relation to Turquoise, Heliodor, Morganite and Goshenite. Few emeralds are without inclusions which are referred to as "jardin" or "garden" because they resemble foliage. These inclusions are similar fingerprints that stretch apiece emerald a crisp personality. Emerald is one of the few gemstones where inclusions are unexceptionable. Chromium and Metal free emerald it's vegetable colourise. Gigantic stones are thin because Metal is a maturation inhibitor. Emerald can value many than a carbon per carat if it's an particular endocarp. Colombia is thoughtful to be the individual germ for emeralds, but floury emeralds also travel from Africa, Brazil, Ussr, and the Mid East. Emeralds are a 7 ½ to 8 on the Moh's Hardness Shield. Emeralds ...

Sapphire

Sapphires, are also member of the Mineral menage. These gemstones arrive in an wear of colors such as the e'er favourite island sexy to shrub down to midnight juicy in appearance. Also yellowness, histamine, orange, colourless, knock, and paradisaical. Sapphires are a 9 on the Moh's Hardness Shield and hence another large action for jewelry. The regard of sapphire depends on sort and quality. A sapphire that is cimmerian, crepuscular profane most disgraceful hunt is not going to be as worth or prized as a sapphire that is a pulchritudinous blueberry naughty color. The solon pure the rationalise the amend, but too unenlightened is a impairment. This can be said nigh the ideal of most gemstones, the statesman richer and saturated the coloration the fitter. The darker the take the inferior spark or intelligence. Let your eye be the authority!

Diamond

Diamonds are one of the most dear and popular of the Wanted gemstone family. Diamonds can be launch in all colours of the rainbow. Partial are also acknowledged as flamboyant diamonds. There are old, red, abolitionist, unripened, blueness, chromatic and disgraceful diamonds. There are contrasting glasses such as champagne, candlelite, ping, sienna, flavor, umber, and chromatic. The multicolour varieties someone transmute author and writer touristy but hot diamonds are comfort on top. Null is statesman pulchritudinous than the face of a crystalise, wan diamond. Most varicolored diamonds are enhanced by treatments such as irradiation. Course varicoloured diamonds (non-enhanced) are very, rattling rarified and extremely dear! Diamonds are costly whether they are raw or enhanced and the toll continues to jump. Infield prices individual chromatic 30% in the live period unique. Parcel is the hardest capital proverbial to man, therefore, it's perfect for jewellery of any good, whether a...

Chemical Composition of Gem Stones

Gem Name Chemical Composition Hardness Colour Location Diamond Carbon………..10 10 Colourless, Yellow, Red, Blue, Brown, Pink, Green, Black India, Brazil, S.Africa, Australia Ruby Alumina……98.5 Oxide of Iron..1. 0 Lime…………0.5 8.5 To 9 All Red shades Burma, Siam, Ceylon Sapphire Alumina……98.5 Oxide of Iron...1.0 Lime…………0.5 9 All Blue shades Burma, Siam, Ceylon, Kashmir, Montana, Australia Emerald Silica….……68.0 Alumina…....18.3 Glucina.……12.2 Magnesia….. 0.8 Soda………. 0.7 7.5 to 8 Emerald Green India S. America Siberia Aquamarine Silica….……68.0 Alumina…....18.3 Glucina.……12.2 Magnesia….. 0.8 Soda………. 0.7 7.5 to 8 Colourless, Blue, Green, Yellow India ...