Anthophyllite and Apophyllite Physical Properties

Anthophyllite

Apophyllite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.9-3.5

2.30-2.50

1.5 Fracture

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

Perfect on (001)

1.7 Mohs Hardness

5.5-6

4.5-5

1.8 Chemical Composition

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

KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Anthophyllite and Apophyllite Chemical Formula

While comparing Anthophyllite and Apophyllite 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 Apophyllite 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 Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

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Anthophyllite and Apophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anthophyllite and Apophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anthophyllite and Apophyllite Optical Properties during the identification of gemstone. Specific gravity of Anthophyllite is 2.30-2.50 whereas that of Apophyllite is 2.30-2.50.