Gemstones
kyanite

Kyanite

Gem-quality kyanite crystals are pale to deep blue, or white, grey, or green. Colour distribution

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jade

Jade

Jade refers to two distinct mineral species Jadeite and Nephrite. Due to their almost similar

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iolite

Iolite

Iolite (Indian: Kakaneeli; Italian: Iolite) is a blue to purplish-blue color, transparent to opaque stone

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wiluite

Idocrase

Idocrase was first discovered on the Italian volcano, Vesuvius, as small, perfect crystals. Also called

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hematite

Hematite

Hematite usually occurs as massive, opaque material withg a metallic lustre, showing a blood-red colour

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Hauyne

Hauyne forms part of lapis lazuli. Intergrown with other minerals, it is seldom found as

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Hambergite

Hambergite, named after Axel Hamberg, the Swedish mineralogist, occurs as colorless to yellowish white crystals,

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gypsum

Gypsum

Several varieties of gypsum are used as decorative stones. The most  important, alabaster, is found

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melanite

Andradite

Garnets containing titanium and manganese are grouped as andradite garnet. The most valuable is demantoid,

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