Vishnevite and Powellite Physical Properties

Vishnevite

Powellite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available4.23

1 7.18

1.5 Fracture

Brittle, Uneven

UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

Perfect

{111} Distinct

1.7 Mohs Hardness

5-63.5-4

2 10

1.8 Chemical Composition

Not Available

CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Vishnevite and Powellite Chemical Formula

While comparing Vishnevite and Powellite 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 Vishnevite and Powellite chemical formula.

Chemical formula of Powellite- CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Vishnevite and Powellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vishnevite and Powellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vishnevite and Powellite Optical Properties during the identification of gemstone. Specific gravity of Vishnevite is 4.23 whereas that of Powellite is 4.23.