Gemstone is a mineral, rock formed from the result of geological processes that elements consist of one or several chemical components that have a high selling price, and the demand by collectors. Gemstone to be polished before made jewelry.
The world is not all places contain gemstones. In Indonesia, only a few places that contain precious stones, among others, in the province of Banten with Kalimayanya, in Lampung with rock types and kinds charming wine cempaka, on the island of Borneo with Kecubungnya (amethys) and diamonds (diamonds). Gemstones have names starting from letter A to letter z is classified according to its hardness, known as Mohs scale of 1 to 10. The most desirable gem in the world is the crystalline that in addition to the type of precious stones such as diamonds, Emerald, Ruby and Sapphire, on Rock agate types of wines such as Blue Sky, bungur or amethyst derived from Tanjung Bintang, Lampung currently much in a hurry by collectors because of its crystalline quality.
The world is not all places contain gemstones. In Indonesia, only a few places that contain precious stones, among others, in the province of Banten with Kalimayanya, in Lampung with rock types and kinds charming wine cempaka, on the island of Borneo with Kecubungnya (amethys) and diamonds (diamonds). Gemstones have names starting from letter A to letter z is classified according to its hardness, known as Mohs scale of 1 to 10. The most desirable gem in the world is the crystalline that in addition to the type of precious stones such as diamonds, Emerald, Ruby and Sapphire, on Rock agate types of wines such as Blue Sky, bungur or amethyst derived from Tanjung Bintang, Lampung currently much in a hurry by collectors because of its crystalline quality.
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