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White topaz
White topaz

Ettringite
Ettringite



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White topaz
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Ettringite

White topaz and Ettringite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
Indiscernible
-9999
Al2SiO4(F,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)

White topaz and Ettringite Chemical Formula

While comparing White topaz 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 White topaz and Ettringite chemical formula.

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White topaz and Ettringite Specific Gravity

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