Anhydrite and Faustite Physical Properties

Anhydrite

Faustite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.90-2.982.9

1 7.18

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Fracture

Conchoidal

Cleavage

Rare tabular and prismatic crystals. Usually occurs as fibrous, parallel veins that break off into cleavage fragments.

{???} Indistinct

Mohs Hardness

3.54.5

2 10

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Chemical Composition

CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

(Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Anhydrite and Faustite Chemical Formula

While comparing Anhydrite 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 Anhydrite and Faustite chemical formula.

Chemical formula of Anhydrite- CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Faustite- (Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Compare Blue Gemstones

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Anhydrite Vs Augelite

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Anhydrite and Faustite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anhydrite and Faustite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anhydrite and Faustite Optical Properties during the identification of gemstone. Specific gravity of Anhydrite is 2.9 whereas that of Faustite is 2.9.