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Andesine
Andesine

Faustite
Faustite



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Andesine
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Faustite

Andesine and Faustite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2.65-2.69
Uneven, Conchoidal
Perfect on {001}, good on {010}
6-6.5
(Na,Ca)Al1-2Si3-2O8
 
-
-
-
2.9
Conchoidal
{???} Indistinct
4.5
(Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)

Andesine and Faustite Chemical Formula

While comparing Andesine 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 Andesine and Faustite chemical formula.

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Andesine and Faustite Specific Gravity

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