Geology

Geology

The scientific study of the origin, history, and physical features of the earth.

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Geology > Minerals

cubic zirconia

Geology; 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 ...

emerald

Geology; Minerals

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 ...

garnet

Geology; Minerals

Garnets are nesosilicates. Its name originates from ancient Greek as the colour resembled pomegranate seed or granatum. Garnets do not show the tendency of crystalline materials ...

jade

Geology; Minerals

The term "jade" refers to two different, yet similar semi-precious metamorphic mineral gemstones, Jadeite and Nephrite. Nephrite and jadeite are resistance to breakage and ...

sapphire

Geology; 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 ...

topaz

Geology; 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 ...

tourmaline

Geology; 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 ...