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Sphalerite
Sphalerite

Crystal Quartz
Crystal Quartz



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Sphalerite
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Crystal Quartz
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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-
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3.95-4.10
Uneven
{110} Perfect, {110} Perfect, {110} Perfect
3.5-4
(Zn,Fe)SMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
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-9999
-
None
7
SiO2