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Spinel
Spinel

Colemanite
Colemanite



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Spinel
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Colemanite

Spinel and Colemanite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.64-3.66
Conchoidal, Uneven
None, but may exhibit slight parting
8
MgAl2O4
 
-
-
-
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

Spinel and Colemanite Chemical Formula

While comparing Spinel 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 Spinel and Colemanite chemical formula.

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Spinel and Colemanite Specific Gravity

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