Gemstones
Gemstones

Quartz

Quartz is a hard, crystalline mineral composed of silicon and oxygen atoms. The atoms ...
Gemstones

Cubic zirconia

Cubic zirconia (CZ) is the cubic crystalline form of zirconium dioxide (ZrO2). The ...
Gemstones

Zeolite

Zeolites are microporous, aluminosilicate minerals commonly used as commercial ...
Gemstones

Strontium titanate

Strontium titanate is an oxide of strontium and titanium with the chemical formula ...
Gemstones

Beryl

Beryl is a mineral composed of beryllium aluminium cyclosilicate with the chemical ...
Gemstones

Chrysoberyl

The mineral or gemstone chrysoberyl is an aluminate of beryllium with the formula ...
Gemstones

Azurite

Azurite is a soft, deep-blue copper mineral produced by weathering of copper ore ...
Gemstones

Lapis lazuli

Lapis lazuli, or lapis for short, is a deep-blue metamorphic rock used as a ...
Gemstones

Chalcedony

Chalcedony is a cryptocrystalline form of silica, composed of very fine intergrowths ...
Gemstones

Baryte

Baryte, barite or barytes is a mineral consisting of barium sulfate (BaSO4). Baryte is ...
Gemstones

Apatite

Apatite is a group of phosphate minerals, usually referring to hydroxyapatite, ...
Gemstones

Brazilianite

Brazilianite, whose name derives from its country of origin, Brazil, is a typically ...
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