Gemstone Chart (A Searchable Collection of Precious/Semi-precious Stone Information),Gem Chart -- e-Tools Age

Gemstone Chart (A Searchable Collection of Precious/Semi-precious Stone Information)

This is a searchable collection of international precious stone/gem. With its sparkle and color, a gem can mystify and intrigue people. Most gemstone buyers purchase gems for making jewelry. But some buyers are gemstone collectors. The chart is resource for your gemstone buying and collecting.


Gemstone Chart	Gemstone Hardness Chart	Gemstone Clarity Chart	Gemstone Cut Shape Chart

Categories Country/region Crystal Group Color
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Gemstone Chart

Natural Emerald
Emerald, the green variety of the mineral beryl, is the most famous and favored green gemstone.The majority of the worlds gem quality Emeralds come from the Muzo area of Colombia.
Color: Blue, Green Blue
Categories: precious stone
Chemical Composition: Be3Al2(SiO3)6
Crystal Group: Hexagonal
Refractive Index: 1.577(+-.016), 1.583 (+-.017)
Hardness: 7.5-8
Density: 2.72 (-.05, +.12)
Occurrence: Brazil, Pakistan,Russia, East Africa, India, Madagascar, Columbia

Natural Ruby
ruby is a pink to blood-red gemstone, a variety of the mineral corundum.Ruby has been the world's most valued gemstone for thousands of years. It was said to be the most precious of the twelve stones God created when he created all things and this "lord of gems" was placed on Aaron's neck by God's command.
Color: red, orangey red, violetish red
Categories: precious stone
Chemical Composition: AL2O3
Crystal Group: Hexagonal
Refractive Index: 1.759-1.778
Hardness: 9
Density: 4
Occurrence: Burma, Thailand, East Africa, Vietnam, Madagascar.

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Related Link: Gold Coins Chart Gold Bars Chart Diamond Size Chart Necklace Size Chart Ring Size Chart Ear Gauge Size Chart

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