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Star Sapphire
Star Sapphire

Cuprite
Cuprite



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Star Sapphire
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Cuprite

Star Sapphire and Cuprite 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
-
-
5.85-6.15
Conchoidal
Fair in four directions forming octahedrons
3.5-4
Cu 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Star Sapphire and Cuprite Chemical Formula

While comparing Star Sapphire and Cuprite 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 Cuprite chemical formula.

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Star Sapphire and Cuprite Specific Gravity

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