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Zircon
Zircon

Ettringite
Ettringite



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Zircon
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Ettringite

Zircon and Ettringite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
insoluble
-
3.93-4.73
Conchoidal, Uneven
{110} and {111}
7.5
ZrSiO4
 
-
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)

Zircon and Ettringite Chemical Formula

While comparing Zircon 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 Zircon and Ettringite chemical formula.

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Zircon and Ettringite Specific Gravity

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