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Sard
Sard

Faustite
Faustite



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Sard
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Faustite

Sard and Faustite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.58-2.63
Conchoidal
None
6.5-7
SiO 2Ulrich Henn and Claudio C.
 
-
-
-
2.9
Conchoidal
{???} Indistinct
4.5
(Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)

Sard and Faustite Chemical Formula

While comparing Sard and Faustite 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 Sard and Faustite chemical formula.

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Sard and Faustite Specific Gravity

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