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Colemanite
Colemanite

Dallasite
Dallasite



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Colemanite
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Dallasite

Colemanite and Dallasite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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2.40-2.42
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{010} Perfect, {001} Distinct
4.5
Ca 2B 6O 11 · 5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
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2.58-2.91
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6.5-7
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Colemanite and Dallasite Chemical Formula

While comparing Colemanite and Dallasite 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 Dallasite chemical formula.

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Colemanite and Dallasite Specific Gravity

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