Pyrargyrite and Omphacite Physical Properties

Pyrargyrite

Omphacite

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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

5.853.16-3.43

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

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

{110} Good, {110} Good

1.7 Mohs Hardness

2.5-35-6

2 10

1.8 Chemical Composition

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

(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)

Pyrargyrite and Omphacite Chemical Formula

While comparing Pyrargyrite and Omphacite 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 Pyrargyrite and Omphacite chemical formula.

Chemical formula of Pyrargyrite- Ag 3SbS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Omphacite- (Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)

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Pyrargyrite and Omphacite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrargyrite and Omphacite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrargyrite and Omphacite Optical Properties during the identification of gemstone. Specific gravity of Pyrargyrite is 3.16-3.43 whereas that of Omphacite is 3.16-3.43.