Datolite and Pyrargyrite Physical Properties

Datolite

Pyrargyrite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.005.85

1 7.18

1.5 Fracture

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

Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle

1.6 Cleavage

None

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

1.7 Mohs Hardness

5-5.52.5-3

2 10

1.8 Chemical Composition

CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Datolite and Pyrargyrite Chemical Formula

While comparing Datolite 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 Datolite and Pyrargyrite chemical formula.

Chemical formula of Datolite- CaBSiO 4(OH)Michael 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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Datolite and Pyrargyrite Specific Gravity

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