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Colemanite
Colemanite

Demantoid
Demantoid



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Colemanite
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Demantoid

Colemanite and Demantoid Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
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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-
-
3.77-3.95
-
Imperfect
6.5
Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

Colemanite and Demantoid Chemical Formula

While comparing Colemanite and Demantoid 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 Demantoid chemical formula.

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Colemanite and Demantoid Specific Gravity

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