Gemstone Chart |
Natural Malaia Garnet Malaia garnet is a mixture of almandine, pyrope, and spessartine. It has remained the preserve of collectors for the 2 decades since it was discovered, mainly due to its extreme rarity.Tanzania is the known source for this lovely gemstone. Color: orangey pink, champagne, orange brown, copper-pink. Categories: semi-precious stone Chemical Composition: [Mg3 + Mn3]AL2(SIO4) Crystal Group: Cubic Refractive Index: 1.73 - 1.81 Hardness: 7 - 7.5 Density: 3.65 - 4.20 Occurrence: Kenya, Tanzania, Madagascar
| Natural Moonstone The most common moonstone is of the mineral adularia.It is an opaque stone, a simi-clear white, kind of the color of watered down milk.Moonstone Jewellery uses the gemstone moonstone as its main stone. Color: white, blueish white. Categories: semi-precious stone Chemical Composition: KalSI3O8 Crystal Group: Monoclinic Refractive Index: 1.518 ¨C 1.526 Hardness: 6 ¨C 6.50 Density: 2.55 ¨C 2.57 Occurrence: Sri Lanka, India, Madagascar, Burma, Tanzania, U.S.A.
| Natural Morganite Morganite is a rare, pink semi-precious gemstone of the beryl family of minerals. With pink a fashion favorite, morganite is a gem that is much in demand. It has a dazzling brilliance and soft color that ranges from clear pink to a lovely peach. Color: Pink - Champagne Categories: semi-precious stone Chemical Composition: Be3Al2(SiO3)6 Crystal Group: Hexagonal Refractive Index: 1.577(+-.016), 1.583 (+-.017) Hardness: 7.5-8 Density: 2.72 (-.05, +.12) Occurrence: Brazil, Madagascar
| Natural Pezzottaite Pezzottaite is a raspberry-red to pink member of the Beryl Group named after Dr. Federico Pezzotta. Discovered in Madagascar and IMA approved in 2003. It is one of the great new gem discoveries of the last 20 years. Categories: semi-precious stone Crystal Group: Trigonal Refractive Index: 1.604 - 1.615 Density: 3.1 Occurrence: Madagascar, Afghanistan
| Natural Phenakite phenakite is a fairly rare nesosilicate mineral consisting of beryllium orthosilicate, It is one of the brightest of the colorless gemstones.Madagascar seems to be the most important source for this rare stone. Color: White Categories: semi-precious stone Chemical Composition: Be2SiO4 Crystal Group: Hexagonal Refractive Index: 1.651-1.696 Hardness: 7.5-8.0 Density: 2.94--2.96 Occurrence: Russia, Madagascar, U.S.A., Brazil, France, Switzerland, Ceylon, E. Africa.
| 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 Rubelite The rubellite is a particularly beautiful gemstone from the colourful family of the tourmalines. Its colour shines in the most beautiful nuances from red to shocking pink. Rubelite is rich in lithium and free of magnesium and iron. Color: Hot Pink to Intense red Categories: semi-precious stone Chemical Composition: (NaCa)(LI,MgFe,Al)9B3Si6(O,OH)31 Crystal Group: Hexagonal Refractive Index: 1.624(+.005, -.005) - 1.644(+.006, -.006) Hardness: 7-7.5 Density: 3.06 (.05, +.15) Occurrence: Brazil, Madagascar, Nigeria, U.S.A.
| 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.
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