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Fire Opal
Fire Opal
☒

Pezzottaite
Pezzottaite
☒



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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.97-2.22
Conchoidal
None
6-6.5
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references
 
-
-
-
2.90-3.14
Conchoidal, Uneven
Imperfect; basal
7.5-8
(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.

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Red Gemstones

Microlite
Microlite
Mimetite
Mimetite
Nepheline
Nepheline
Pezzottaite
Friedelite
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Hexagonite
Pezzottaite Vs Hexagonite
Pezzottaite
Imperial Topaz
Pezzottaite Vs Imperial Topaz

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