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Faustite
Faustite

Sylvite
Sylvite



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Faustite
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Sylvite

Faustite and Sylvite Physical Properties

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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)
 
Brittle
Soluble
-
1.993
Uneven
Perfect on [100], [010], [001]
2.5
KCl

Faustite and Sylvite Chemical Formula

While comparing Faustite and Sylvite 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 Sylvite chemical formula.

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Faustite and Sylvite Specific Gravity

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