Pyrargyrite and Tanzanite Physical Properties

Pyrargyrite

Tanzanite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

Hard

1.4 Specific Gravity

5.853.35

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle

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

1.6 Cleavage

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

Perfect {010}, imperfect {100}

1.7 Mohs Hardness

2.5-36.5-7

2 10

1.8 Chemical Composition

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

Ca₂Al₃(SiO₄)₃(OH)

Pyrargyrite and Tanzanite Chemical Formula

While comparing Pyrargyrite and Tanzanite 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 Tanzanite chemical formula.

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

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Pyrargyrite and Tanzanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrargyrite and Tanzanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrargyrite and Tanzanite Optical Properties during the identification of gemstone. Specific gravity of Pyrargyrite is 3.35 whereas that of Tanzanite is 3.35.