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Colemanite and Tortoiseshell Physical Properties


Tortoiseshell and Colemanite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.40-2.42   
1.25-1.35   

Fracture
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic   
Not Available   

Cleavage
{010} Perfect, {001} Distinct   
Not Available   

Mohs Hardness
4.5   
Not Available   

Chemical Composition
Ca 2B 6O 11 · 5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Not Available   

Optical Properties >>
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Colemanite and Tortoiseshell Chemical Formula

While comparing Colemanite and Tortoiseshell 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 Tortoiseshell chemical formula.

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Colemanite and Tortoiseshell Specific Gravity

Another important criteria for qualitative analysis of gemstones is Colemanite and Tortoiseshell Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Colemanite and Tortoiseshell Optical Properties during the identification of gemstone. Specific gravity of Colemanite is 1.25-1.35 whereas that of Tortoiseshell is 1.25-1.35.

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