Proustite and Antigorite Physical Properties

Proustite

Antigorite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.51-5.642.58-2.80

1 7.18

2.5 Fracture

Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Conchoidal, Brittle, Metallic, Conchoidal, Handbook of mineralogy (2001)

2.6 Cleavage

Distinct on {10 1 1}

{001} Good

2.7 Mohs Hardness

2.55-5.5

2 10

2.11 Chemical Composition

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

(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Proustite and Antigorite Chemical Formula

While comparing Proustite and Antigorite 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 Proustite and Antigorite chemical formula.

Chemical formula of Proustite- Ag 3AsS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Antigorite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Compare Black Gemstones

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Proustite Vs Schorlomite

Proustite and Antigorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Proustite and Antigorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Proustite and Antigorite Optical Properties during the identification of gemstone. Specific gravity of Proustite is 2.58-2.80 whereas that of Antigorite is 2.58-2.80.