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Faustite
Faustite

Star Sapphire
Star Sapphire



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Faustite
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Star Sapphire

Faustite and Star Sapphire Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.9
Conchoidal
{???} Indistinct
4.5
(Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
 
-
-
-
3.90-4.05
-
None
-9999
Al 2O 3Ulrich Henn and Claudio C.

Faustite and Star Sapphire Chemical Formula

While comparing Faustite and Star Sapphire 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 Faustite and Star Sapphire chemical formula.

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Faustite and Star Sapphire Specific Gravity

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