Powellite and Bertrandite Physical Properties

Powellite

Bertrandite

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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

4.232.59-2.60

1 7.18

1.5 Fracture

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

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

{111} Distinct

{001} Perfect, {110} Distinct, {101} Distinct

1.7 Mohs Hardness

3.5-46-7

2 10

1.8 Chemical Composition

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

Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

Powellite and Bertrandite Chemical Formula

While comparing Powellite and Bertrandite 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 Bertrandite chemical formula.

Chemical formula of Powellite- CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

Compare Blue Gemstones

Powellite Vs Rubellite

Powellite Vs Rock Crystal

Powellite Vs Sanidine

Powellite and Bertrandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Powellite and Bertrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Powellite and Bertrandite Optical Properties during the identification of gemstone. Specific gravity of Powellite is 2.59-2.60 whereas that of Bertrandite is 2.59-2.60.