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Star Sapphire
Star Sapphire
☒

Hurlbutite
Hurlbutite
☒



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Star Sapphire
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Hurlbutite

Star Sapphire and Hurlbutite 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.
 
-
-
-
2.90
Conchoidal
None
6
CaBe 2(PO 4) 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Star Sapphire and Hurlbutite Chemical Formula

While comparing Star Sapphire and Hurlbutite 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 Hurlbutite chemical formula.

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Star Sapphire and Hurlbutite Specific Gravity

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