Faustite and Albite Physical Properties

Faustite

Albite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.92.60-2.65

1 7.18

1.5 Fracture

Conchoidal, ConchoidalAnthony et al, Conchoidal, Brittle, Conchoidal

Uneven, Uneven, Gems, Sixth Edition (2006), Uneven, Conchoidal

1.6 Cleavage

{???} Indistinct

Perfect on {001}, very good on {010}, imperfect on {110}

1.7 Mohs Hardness

4.56-6.5

2 10

1.8 Chemical Composition

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

NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Faustite and Albite Chemical Formula

While comparing Faustite and Albite 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 Albite chemical formula.

Chemical formula of Faustite- (Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Albite- NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Faustite and Albite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Faustite and Albite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Faustite and Albite Optical Properties during the identification of gemstone. Specific gravity of Faustite is 2.60-2.65 whereas that of Albite is 2.60-2.65.