Rosasite and Powellite Physical Properties

Rosasite

Powellite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Effervesces in cold

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4-4.24.23

1 7.18

1.5 Fracture

Splintery

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

1.6 Cleavage

Perfect on {100} and {010}

{111} Distinct

1.7 Mohs Hardness

43.5-4

2 10

1.8 Chemical Composition

Not Available

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

Rosasite and Powellite Chemical Formula

While comparing Rosasite 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 Rosasite and Powellite chemical formula.

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

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Rosasite and Powellite Specific Gravity

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