Anthophyllite and Augelite Physical Properties

Anthophyllite

Augelite

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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

2.9-3.52.70-2.75

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

From the Greek for luster, for its pearly luster on the cleavage.

1.7 Mohs Hardness

5.5-64.5-5

2 10

1.8 Chemical Composition

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

Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Anthophyllite and Augelite Chemical Formula

While comparing Anthophyllite and Augelite 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 Augelite 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 Augelite- Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Brown Gemstones

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Anthophyllite Vs Brookite

Anthophyllite and Augelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anthophyllite and Augelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anthophyllite and Augelite Optical Properties during the identification of gemstone. Specific gravity of Anthophyllite is 2.70-2.75 whereas that of Augelite is 2.70-2.75.