Pyrargyrite and Kyanite Physical Properties

Pyrargyrite

Kyanite

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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

5.853.53-3.65

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle

Splintery, Brittle, Metallic

1.6 Cleavage

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

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

1.7 Mohs Hardness

2.5-34-7

2 10

1.8 Chemical Composition

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

Not Available

Pyrargyrite and Kyanite Chemical Formula

While comparing Pyrargyrite and Kyanite 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 Kyanite chemical formula.

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

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Pyrargyrite and Kyanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrargyrite and Kyanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrargyrite and Kyanite Optical Properties during the identification of gemstone. Specific gravity of Pyrargyrite is 3.53-3.65 whereas that of Kyanite is 3.53-3.65.