Anthophyllite and Wulfenite Physical Properties

Anthophyllite

Wulfenite

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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

2.9-3.56.50-7.00

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle

Irregular, Brittle, Conchoidal

1.6 Cleavage

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

On {011}, distinct; on {001}, {013}, indistinct

1.7 Mohs Hardness

5.5-63

2 10

1.8 Chemical Composition

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

PbMoO 4Walter Schumann , Gemstones of the world (2001)

Anthophyllite and Wulfenite Chemical Formula

While comparing Anthophyllite and Wulfenite 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 Wulfenite 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 Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)

Compare Brown Gemstones

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Anthophyllite and Wulfenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anthophyllite and Wulfenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anthophyllite and Wulfenite Optical Properties during the identification of gemstone. Specific gravity of Anthophyllite is 6.50-7.00 whereas that of Wulfenite is 6.50-7.00.