Colemanite and Anorthite Physical Properties

Colemanite

Anorthite

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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

2.40-2.422.77

1 7.18

1.5 Fracture

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

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

{010} Perfect, {001} Distinct

Perfect [001] good [010] poor [110]

1.7 Mohs Hardness

4.56-6.5

2 10

1.8 Chemical Composition

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

CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Colemanite and Anorthite Chemical Formula

While comparing Colemanite and Anorthite 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 Anorthite chemical formula.

Chemical formula of Colemanite- Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Anorthite- CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Colorless Gems

Colemanite Vs Cubic Zirconia

Colemanite Vs Diaspore

Colemanite Vs Datolite

Colemanite and Anorthite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Colemanite and Anorthite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Colemanite and Anorthite Optical Properties during the identification of gemstone. Specific gravity of Colemanite is 2.77 whereas that of Anorthite is 2.77.