Colemanite and Axinite Physical Properties

Colemanite

Axinite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.40-2.423.26-3.36

1 7.18

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Fracture

Conchoidal

Cleavage

{010} Perfect, {001} Distinct

Good on {100}

Mohs Hardness

4.56.5-7

2 10

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Chemical Composition

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

(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Colemanite and Axinite Chemical Formula

While comparing Colemanite and Axinite 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 Axinite chemical formula.

Chemical formula of Colemanite- Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Axinite- (Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Compare Colorless Gems

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Colemanite and Axinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Colemanite and Axinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Colemanite and Axinite Optical Properties during the identification of gemstone. Specific gravity of Colemanite is 3.26-3.36 whereas that of Axinite is 3.26-3.36.