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Jul 29, 2016

Gems (GEM) which has a Polish and polished, you can meet the requirements of jewellery stones or minerals mounted. The color is beautiful, high hardness, atmospheric and chemical loading does not change for precious minerals. Can be used as an instrument bearing, abrasive, decorations, etc. Also refers to a precious stone.

Gem Rock [1], the most beautiful and precious kind of stone. Their bright colors, texture and translucent, shiny bright, hard, durable, and rare occurrence, it is

Jewelry and other uses can be made of natural mineral crystals, such as diamonds, gold, Crystal, Emerald, Ruby, Sapphire, and Emerald (Alexandrite and cat's eye), epidote, etc; there are a few natural mineral aggregates, such as an ice colored chalcedony, Opal. There are a few organic materials such as amber, Pearl, coral, coal refined and ivory, are also included in the broad definition of precious stones.

Jade stone beauty. But it also has a bright color, hard, delicate texture and polished with beautiful Sheen and other characteristics.