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Ettringite
Ettringite

Scorodite
Scorodite



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Ettringite
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Scorodite

Ettringite and Scorodite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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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)
 
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-
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-9999
Sub-Conchoidal, Splintery
{201} Imperfect, {100} Poor, {001} Poor
3.5-4
FeAsO4·2H2O

Ettringite and Scorodite Chemical Formula

While comparing Ettringite and Scorodite 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 Ettringite and Scorodite chemical formula.

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Ettringite and Scorodite Specific Gravity

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