Anthophyllite and Pyrargyrite Physical Properties

Anthophyllite

Pyrargyrite

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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

2.9-3.55.85

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle

Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle

1.6 Cleavage

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

Distinct on {10 1 1}, imperfect on {01 1 2}

1.7 Mohs Hardness

5.5-62.5-3

2 10

1.8 Chemical Composition

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

Ag 3SbS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Anthophyllite and Pyrargyrite Chemical Formula

While comparing Anthophyllite and Pyrargyrite 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 Pyrargyrite 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 Pyrargyrite- Ag 3SbS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Anthophyllite and Pyrargyrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anthophyllite and Pyrargyrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anthophyllite and Pyrargyrite Optical Properties during the identification of gemstone. Specific gravity of Anthophyllite is 5.85 whereas that of Pyrargyrite is 5.85.