Sapphirine and Pyrargyrite Physical Properties

Sapphirine

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

3.40-3.585.85

1 7.18

1.5 Fracture

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

Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle

1.6 Cleavage

{010} Perfect

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

1.7 Mohs Hardness

7.52.5-3

2 10

1.8 Chemical Composition

(Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Sapphirine and Pyrargyrite Chemical Formula

While comparing Sapphirine 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 Sapphirine and Pyrargyrite chemical formula.

Chemical formula of Sapphirine- (Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Pyrargyrite- Ag 3SbS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Sapphirine and Pyrargyrite Specific Gravity

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