| Gemstone Chart |
 Natural Jadeite
A rare, usually green mineral of the pyroxene group. Jadeite can also occur in white, auburn, buff, or violet varieties. The most highly valued form of jade consists of jadeite.Jade has a history in China of at least four thousands years.Experts believe that, although more expensive, diamonds and gold cannot be compared with jade - jade is animated with a soul.
Color: Pure white thru pink, brown, red, orange, yellow, mauve, violet, blue, and black, to an extensive range of green and mottled green and white.
Categories: semi-precious stone
Chemical Composition: NaAl(SiO3)2
Crystal Group: Monoclinic
Refractive Index: 1.654 - 1.667
Hardness: 7
Density: 3.32
Occurrence: Northern Myanmar. Non commercial discoveries of Jadeite have also been reported in China; Russia (in the Polar Urals); Niigata, Japan; San Benito County, California, USA, and Guatemala.
|  Natural Kunzite
Kunzite is the pink to light purple gem variety of the mineral Spodumene.Although kunzite is a relatively soft and delicate gem, and can fade after prolonged exposure to light, its appealing color makes it a popular gem. Small gems are seldom cut from kunzite because of its cleavage and strong pleochroism. It is rarely seen in rings, necklaces, or any other forms of jewelry where small stones are required.
Color: Pink, Lilac, Light Violet
Categories: semi-precious stone
Chemical Composition: LiAlSi2O6
Crystal Group: Monoclinic
Refractive Index: 1.660 - 1.675
Hardness: 7
Density: 3.17 - 3.19
Occurrence: Africa, Brazil, Canada, Madagascar, Mexico, Myanmar, Afghanistan, Sweden, and USA (California).
|  Natural Lapis
Lazurite is a popular but generally expensive mineral. Well-formed, deep blue crystals are rare and valuable. Lapis lazuli is a gemstone of the kind that might have come straight out of the Arabian Nights: a deep blue with golden inclusions of pyrites which shimmer like little stars.
Color: Blue, greenish-blue, violet blue
Categories: semi-precious stone
Chemical Composition: A complex aggregate
Crystal Group: Not applicable
Refractive Index: 1.5
Hardness: 5.5
Density: 2.7-2.9
Occurrence: Afganistan, Pakistan, Chile, Russia, U.S.A., Angola, Burma
|  Natural Opal
Opal is the most colorful of all gems. It is a form of silica chemically similar to quartz, but more like glass and containing a variable amount of water within the mineral structure. Its splendid play of color is unsurpassed, and fine examples can be more valuable than diamond. Precious opals (black and white) are cut and polished into cabochons and used in all forms of jewelry.
Color: White, green, blue, black, red, orange, violet, pink, grey, yellow.
Categories: precious stone
Chemical Composition: SIO2nH2O
Crystal Group: Amorphous
Refractive Index: 1.44-1.46
Hardness: 5.5 - 6.0
Density: 2.65 - 3.00
Occurrence: Czechoslovakia, Mexico, Honduras, Australia, Brazil, Tanzania.
|  Natural Rhodolite
Rhodolite is a beautiful pink to violetish red garnet which was named after the rhododendron flower. Commercially rhodolite is one of the most important garnets. Rhodolite is quite available in small sizes which are relatively low in price. Very fine large rhodolite garnets are rare and are moderate in price.
Color: red, purple-red
Categories: semi-precious stone
Chemical Composition: Al2(SiO4)3
Crystal Group: Cubic
Refractive Index: 1.75 - 1.77
Hardness: 7.25
Density: 3.74 - 3.94
Occurrence: Brazil, East Africa, Ceylon, India, Madagascar, Zimbabwe
|  Natural Ruby
ruby is a pink to blood-red gemstone, a variety of the mineral corundum.Ruby has been the world's most valued gemstone for thousands of years. It was said to be the most precious of the twelve stones God created when he created all things and this "lord of gems" was placed on Aaron's neck by God's command.
Color: red, orangey red, violetish red
Categories: precious stone
Chemical Composition: AL2O3
Crystal Group: Hexagonal
Refractive Index: 1.759-1.778
Hardness: 9
Density: 4
Occurrence: Burma, Thailand, East Africa, Vietnam, Madagascar.
|  Natural Sapphire
Sapphire is a gemstone variety of the mineral corundum,Blue is the main colour of the sapphire. Its beauty, its magnificent colours, its transparency, but also its constancy and durability are qualities associated with this gemstone by gemstone lovers and specialists alike.Fancy sapphires are pure individualism and are just made for lovers of individualistic coloured stone jewellery. They are currently available in a positively enchanting variety of designs - as ring stones, necklace pendants or ear jewellery.
Color: blue, bluish purple, bluish violet, greenish yellow, orangy yellow, purple, red, reddish orange, red-orange or orange-red, reddish purple, red-purple or purple-red, slightly purplish red, violet, violetish blue, yellow, yellowish orange, pink
Categories: precious stone
Chemical Composition: AL22O3
Crystal Group: Hexagonal
Refractive Index: 1.759-1.778
Hardness: 9
Density: 4
Occurrence: Sri Lanka, Burma, India, Kenya, Tanzania, Madagascar, Thailand, U.S.A., China
|  Natural Scapolite
Scapolite is actually the name of a series between the sodium chloride rich mineral called marialite and the calcium carbonate rich mineral meionite.Scapolite was originally discovered in 1913 in the Mogok Stone Tract in upper Burma (Myanmar). Scapolite is a rare and little known gemstone. It is a beautiful gem that comes in many colors.
Color: white, yellow, violet,pink
Categories: semi-precious stone
Chemical Composition: Na4Al3Si9O24Cl /CA4Al6Si6O24CO3
Crystal Group: Tetragonal
Refractive Index: 1.54 - 1.577
Hardness: 6
Density: 2.6-2.71
Occurrence: Kenya, Mozambique, Madagascar, Burma, Brazil, Canada.
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