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Grossular
Grossular

Colemanite
Colemanite



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Grossular
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Colemanite

Grossular and Colemanite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.55-3.73
Conchoidal, Uneven
none
7-7.5
Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
 
-
-
-
2.40-2.42
-
{010} Perfect, {001} Distinct
4.5
Ca 2B 6O 11 · 5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Grossular and Colemanite Chemical Formula

While comparing Grossular and Colemanite 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 Grossular and Colemanite chemical formula.

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Grossular and Colemanite Specific Gravity

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