| Gemstone Chart |
 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 Sunstone
Sunstone is a sodium-calcium-aluminum-silicate variety of plagioclase feldspar, which when viewed from certain directions exhibits a brilliant spangled appearance; this has led to its use as a gemstone.
Color: Orange-red, brownish-red
Categories: semi-precious stone
Chemical Composition: NaAlSi3O8
Crystal Group: Triclinic
Refractive Index: RI 1.54 ¨C1.55
Hardness: 6
Density: SG 2.62 ¨C 2.65
Occurrence: Near Lake Baikal Russia; East Africa; Hastings, Renfrew, and Haliburton, in Ontario Canada; Tvedestrand, Hitero, Norway; Kangayam, India; Maine, Oregon, New Mexico, California, and North Carolina, USA.
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