Kyanite and Pyrargyrite Physical Properties

Kyanite

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

3.53-3.655.85

1 7.18

1.5 Fracture

Splintery, Brittle, Metallic

Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle

1.6 Cleavage

[100] perfect [010] imperfect with 79° angle between

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

1.7 Mohs Hardness

4-72.5-3

2 10

1.8 Chemical Composition

Not Available

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

Kyanite and Pyrargyrite Chemical Formula

While comparing Kyanite 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 Kyanite and Pyrargyrite chemical formula.

Chemical formula of Pyrargyrite- Ag 3SbS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Kyanite and Pyrargyrite Specific Gravity

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