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

الفئة: Other

21 Terms

Created by: mbourgaize

Number of Blossarys: 6

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Collected Terms

Emerald is a valuable Beryl that owes its colour to chromium or vanadium, which make it bright green. Emeralds can have many flaws and, therefore, can be brittle and liable to break. The value of an ...

Domain: Geology; المجال/التخصص: Minerals

Cubic zirconia or CZ is a synthetic variant of the mineral baddeleyite which is extremely rare in nature. It is the oxide of the metallic element zirconium, zirconium dioxide. It was first used in ...

Domain: Geology; المجال/التخصص: Minerals

The hard skeleton of red coral branches, made up mostly of calcium carbonate, which is durable and intensely coloured. Coral can be polished to a glassy shine. Usually deep water corals have light ...

Domain: Geology; المجال/التخصص: Minerals

Also called heliotrope, is a form of Chalcedony, a type of quartz. Bloodstone is green jasper with red inclusions. The red is sometimes caused by iron oxide or red jasper. Its name originates from ...

Domain: Geology; المجال/التخصص: Minerals

Gemstone which belongs to the Beryl family. Its name comes from the Latin "aqua" meaning water and "mar" sea. Aquamarine is usually free of inclusions and possesses a superior brilliance. The more ...

Domain: Geology; المجال/التخصص: Minerals

Transparent purple quartz. The name originates from the Greek "amethystos" meaning "not drunken" because it was considered to be a strong antidote against drunkenness. Greek legend tells the story ...

Domain: Geology; المجال/التخصص: Minerals

Fossilized resin from ancient forests. In ancient times the resin oozed and dripped and down trees, filling fissures and trapping debris such as seeds, leaves, feathers and insects. The resin was ...

Domain: Geology; المجال/التخصص: Minerals

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