| Gemstone Chart |
 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 Musgravite
Musgravite is an extremely rare member of the taaffeite family that was discovered in 1967 in the Musgrave Range of South Australia. It is also one of rare gemstones that have been sought these years for the collection at GAAJ laboratory.
Color: pale olive green, grey, mauve, grey purple
Categories: semi-precious stone
Chemical Composition: (Fe2+,Zn,Mg)2Al6BeO12
Crystal Group: Hexagonal
Refractive Index: 1.717 - 1.739
Density: 3.68
Occurrence: The Musgrave Mountain Ranges in Central Australia
|  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 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 Taaffeite
The chemical formula of mineral Taaffeite is indicated by BeMgAl4O8 or Beryllium Magnesium Aluminum Oxide. Taaffeite actually belongs to the Oxides and Hydroxides mineral class. Taaffeite is one of the beautiful and Rarest gems in the world.
Color: Mauve, reddish violet, brownish-purple, pink, red, blue.
Categories: semi-precious stone
Chemical Composition: Beryllium magnesium aluminate wi
Crystal Group: Hexagonal
Refractive Index: 1.71-1.72.
Hardness: 8 - 8.5
Density: 3.60 - 3.71
Occurrence: Tunduru, Tanzania; Sri Lanka
|  Natural Tanzanite
Tanzanite is a rare gem which has been celebrated as one of the most exciting finds of the 20th century. Manuel D¡¯Souza discovered the gem in 1967 in Tanzania. Because tanzanite is relatively soft, it is not usually set in necklaces and earrings, so the tiara is truly a rarity.
Color: Blue, Blue Purple, Green, Pink.
Categories: semi-precious stone
Chemical Composition: Ca2(Al,OH)Al2(SIO4)
Crystal Group: Orthorhombic
Refractive Index: 1.688 - 1.707
Hardness: 6-7
Density: 3.30 (+.10, -.10)
Occurrence: Tanzania
|  Natural Tourmaline
Tourmaline is actually a group of several different minerals which have similar crystal structures, but complex and variable chemical formulas. Tourmaline is the most varicolored of all gemstones. It occurs in all colors, but red, green, and multicolored are its most famous gem colors.
Color: blue, bluish green, green, greenish blue, green-blue or blue-green, greenish yellow, orangy red, red, red-orange or orange-red, red-purple or purple-red, slightly purplish red, slightly yellowish green, strongly purplish red, strongly yellowish green, very slightly bluish green, yellowish green, yellow-green or green-yellow, colorless, brown, pink
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, East Africa, Nigeria, Madagascar, U.S.A.
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