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Strontianite
Strontianite

Ettringite
Ettringite



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Strontianite
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Ettringite

Strontianite and Ettringite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.63-3.79
Uneven, Conchoidal
{110} Good
3.5
SrCO 3Walter Schumann , Gemstones of the world (2001) More from other references
 
-
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)

Strontianite and Ettringite Chemical Formula

While comparing Strontianite 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 Strontianite and Ettringite chemical formula.

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Strontianite and Ettringite Specific Gravity

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