Home > Blossary: Gemstones
Minerals or crystalline rocks which are cut and polished to be used as gems or jewellery.

Category: Other

21 Terms

Created by: mbourgaize

Number of Blossarys: 6

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Le saphir est n'importe quelle couleur de corindon autre que rouge, qui s'appelle ruby. Le corindon est composé d'oxyde d'aluminium. Saphirs ont tendance à être translucides ou transparents et ont ...

Domain: Geology; Category: Minerals

Quartz is a crystalline rock or mineral composed of silicon dioxide. It is the second most common mineral on the Earth's continental crust and is found in all types of geological environment. There ...

Domain: Geology; Category: Minerals

Jasper is a micro crystalline quartz, made from very small grains. It is semi-translucent to opaque. Jasper has been used for thousands of years as tools and weapons during pre-historic times and ...

Domain: Geology; Category: Minerals

Turquoise is composed of aluminium phosphate and copper. Its name originates from the French word for Turkish stone, as in ancient days it was transported through Turkey. It was very popular in ...

Domain: Geology; Category: Minerals

Tourmaline is one on the most complex gemstones of the silicate group. There are ten different varieties created by the dozen or more elements they contain. The origin of the term is the Sinhalese ...

Domain: Geology; Category: Minerals

Topaz is a fluorosilicate and can contain trace elements that cause different colours within the gemstone. Its name originates from the Greek word "topazion", a Red Sea Island often covered in mist. ...

Domain: Geology; Category: Minerals

Sapphire is any colour of the mineral corundum other than red, which is called ruby. Corundum is composed of aluminium oxide. Sapphires tend to be translucent or transparent and have high amounts of ...

Domain: Geology; Category: Minerals

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05:59, 24 September 2022
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