Anthophyllite and Hercynite Physical Properties

Anthophyllite

Hercynite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.9-3.54.39

1 7.18

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Fracture

Conchoidal

Uneven

Cleavage

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

{111} Indistinct, {111} Indistinct, {111} Indistinct

Mohs Hardness

5.5-67.5-8

2 10

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Chemical Composition

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

Fe2+ Al 2O 4Gemdat.org , Management Team (2012)

Anthophyllite and Hercynite Chemical Formula

While comparing Anthophyllite and Hercynite 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 Hercynite 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 Hercynite- Fe2+ Al 2O 4Gemdat.org , Management Team (2012)

Compare Brown Gemstones

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Anthophyllite and Hercynite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anthophyllite and Hercynite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anthophyllite and Hercynite Optical Properties during the identification of gemstone. Specific gravity of Anthophyllite is 4.39 whereas that of Hercynite is 4.39.