Tanzanite and Pyrargyrite Physical Properties

Tanzanite

Pyrargyrite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Hard

Not Available

1.4 Specific Gravity

3.355.85

1 7.18

1.5 Fracture

Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle

1.6 Cleavage

Perfect {010}, imperfect {100}

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

1.7 Mohs Hardness

6.5-72.5-3

2 10

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

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

Tanzanite and Pyrargyrite Chemical Formula

While comparing Tanzanite 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 Tanzanite and Pyrargyrite chemical formula.

Chemical formula of Tanzanite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Pyrargyrite- Ag 3SbS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Tanzanite and Pyrargyrite Specific Gravity

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