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 Sphalerite
Sphalerite is one of the very few minerals that has a total of six directions of cleavage, and occurs in many different colors. It is an unusual rare gemstone which is craved for by people as it possesses more brilliance than diamonds.
Color: Orange, yellow, brown, green
Categories: semi-precious stone
Chemical Composition: ZnS
Crystal Group: Cubic
Refractive Index: 2.37
Hardness: 3.5-4
Density: 4.05
Occurrence: Spain, Mexico

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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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