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Colemanite
Colemanite

Powellite
Powellite



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Colemanite
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Powellite

Colemanite and Powellite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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-
-
2.40-2.42
-
{010} Perfect, {001} Distinct
4.5
Ca 2B 6O 11 · 5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
-
-
-
4.23
Conchoidal
{111} Distinct
3.5-4
CaMoO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Colemanite and Powellite Chemical Formula

While comparing Colemanite 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 Colemanite and Powellite chemical formula.

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Colemanite and Powellite Specific Gravity

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