Anthophyllite and Albite Physical Properties

Anthophyllite

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

2.9-3.52.60-2.65

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle

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

1.6 Cleavage

{110} Perfect, {???} Distinct, {???} Distinct

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

1.7 Mohs Hardness

5.5-66-6.5

2 10

1.8 Chemical Composition

(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

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

Anthophyllite and Albite Chemical Formula

While comparing Anthophyllite 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 Anthophyllite and Albite chemical formula.

Chemical formula of Anthophyllite- (Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Albite- NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Anthophyllite and Albite Specific Gravity

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