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 Bi Color Tourmaline
Bi color tourmaline is the name given to tourmaline which displays more than one color in the same cystal.It is classified as a semi-precious stone.
Color: Green, red, yellow, orange. Brown, green, pink
Categories: semi-precious stone
Chemical Composition: (NaCa)(LI,MgFe,Al)9B3Si6(O,OH)31
Crystal Group: Hexagonal
Refractive Index: 1.624(+.005, -.005) - 1.644(+.006, -.006)
Hardness: 7-7.5
Density: 3.06 (.05, +.15)
Occurrence: East Africa, Brazil, USA, Afghanistan, Nigeria, 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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Gemstone Chart Categories:semi-precious

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12/22/2024 19:29Gemstone Chart Country:AFGHANISTAN Color:1
12/22/2024 19:29Gemstone Chart Color:green Crystal Group:hexagonal
12/22/2024 19:28Gemstone Chart Crystal Group:@@k6egW
12/22/2024 19:28Gemstone Chart Categories:114
12/22/2024 19:27Gemstone Chart Country:BRAZIL Crystal Group:Amorphous Categories:semi-precious

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