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Obsidian
Obsidian
☒

Moissanite
Moissanite
☒



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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.35-2.60
Conchoidal, ConchoidalWalter Schumann
None
5-5.5
SiO2
 
-
-
-
3.17-3.24
Conchoidal
(0001) indistinct
9-9.5
SiCArthur Thomas , Gemstones (2009)

Compare Gems for Sagittarius

Gems for Sagittarius

Tanzanite
Tanzanite
Topaz
Topaz
Turquoise
Turquoise
Moissanite
Quartz
Moissanite Vs Quartz
Moissanite
Ruby
Moissanite Vs Ruby
Moissanite
Smoky Quartz
Moissanite Vs Smoky Quartz

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