Colemanite and Powellite Physical Properties

Colemanite

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

2.40-2.424.23

1 7.18

1.5 Fracture

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic

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

1.6 Cleavage

{010} Perfect, {001} Distinct

{111} Distinct

1.7 Mohs Hardness

4.53.5-4

2 10

1.8 Chemical Composition

Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

CaMoO 4Michael OâDonoghue , 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.

Chemical formula of Colemanite- Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Powellite- CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Colorless Gems

Colemanite Vs Cubic Zirconia

Colemanite Vs Datolite

Colemanite Vs Diaspore

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 and Powellite Optical Properties during the identification of gemstone. Specific gravity of Colemanite is 4.23 whereas that of Powellite is 4.23.