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Star Sapphire
Star Sapphire

Pyrite
Pyrite



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Star Sapphire
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Pyrite

Star Sapphire and Pyrite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.90-4.05
-
None
-9999
Al 2O 3Ulrich Henn and Claudio C.
 
Brittle
insoluble in water
-
5.00-5.20
Uneven, Conchoidal, ConchoidalWalter Schumann
Indistinct on {001}; partings on {011} and {111}
6-6.5
FeS 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Star Sapphire and Pyrite Chemical Formula

While comparing Star Sapphire and Pyrite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Star Sapphire and Pyrite chemical formula.

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Star Sapphire and Pyrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Star Sapphire and Pyrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Star Sapphire Vs Pyrite during the identification of gemstone. Specific gravity of Star Sapphire is whereas that of Pyrite is .