Pyrargyrite and Brookite Physical Properties

Pyrargyrite

Brookite

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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

5.853.87-4.14

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

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

Poor on {120}, in traces on {001}

1.7 Mohs Hardness

2.5-35.5-6

2 10

1.8 Chemical Composition

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

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Pyrargyrite and Brookite Chemical Formula

While comparing Pyrargyrite and Brookite 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 Brookite chemical formula.

Chemical formula of Pyrargyrite- Ag 3SbS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Pyrargyrite and Brookite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrargyrite and Brookite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrargyrite and Brookite Optical Properties during the identification of gemstone. Specific gravity of Pyrargyrite is 3.87-4.14 whereas that of Brookite is 3.87-4.14.