Powellite and Sellaite Physical Properties

Powellite

Sellaite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.233.14-3.16

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

{111} Distinct

Perfect on {010} and {110}

1.7 Mohs Hardness

3.5-45-5.5

2 10

1.8 Chemical Composition

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

MgF 2Ulrich Henn and Claudio C.

Powellite and Sellaite Chemical Formula

While comparing Powellite and Sellaite 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 Powellite and Sellaite chemical formula.

Chemical formula of Powellite- CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Sellaite- MgF 2Ulrich Henn and Claudio C.

Compare Blue Gemstones

Powellite Vs Sanidine

Powellite Vs Rubellite

Powellite Vs Rock Crystal

Powellite and Sellaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Powellite and Sellaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Powellite and Sellaite Optical Properties during the identification of gemstone. Specific gravity of Powellite is 3.14-3.16 whereas that of Sellaite is 3.14-3.16.