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Glaucophane
Glaucophane

Ettringite
Ettringite



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Glaucophane
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Ettringite

Glaucophane and Ettringite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3-3.15
Conchoidal
Good on [110] and on [001]
6.0-6.5
[ ]Na2(Mg3Al2)Si8O22(OH)2
 
-
Partially soluble in water
-
1.77
-
Perfect on {10 1 0}
2-2.5
Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)

Glaucophane and Ettringite Chemical Formula

While comparing Glaucophane and Ettringite 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 Glaucophane and Ettringite chemical formula.

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Glaucophane and Ettringite Specific Gravity

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