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Gemstone Chart
Natural AmethystNatural Amethyst
As a member of the quartz family, amethyst is one of the most common, hence under-appreciated, gemstones on the market.
Color: purple, violet
Categories: semi-precious stone
Chemical Composition: SiO2
Crystal Group: Hexagonal
Refractive Index: 1.544 - 1.553
Hardness: 7
Density: 2.66
Occurrence: Brazil, Uraguay, Bolivia, Madagascar, Russia, USA, Zambia

Natural Ametrine Natural Ametrine
Ametrine is a unique semi-precious gemstone that is a blend of citrine and amethyst.It has a warm, soft cream color that shows hints of both its lilac and honey hued parents.
Color: purple, violet, yellow
Categories: semi-precious stone
Chemical Composition: SiO2
Crystal Group: Hexagonal
Refractive Index: 1.544 - 1.553
Hardness: 7
Density: 2.66
Occurrence: Brazil, Bolivia

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