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Ettringite
Ettringite

Datolite
Datolite



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Ettringite
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Datolite

Ettringite and Datolite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
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)
 
Brittle
-
-
2.90-3.00
Conchoidal, Uneven
None
5-5.5
CaBSiO 4(OH)Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Ettringite and Datolite Chemical Formula

While comparing Ettringite and Datolite 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 Datolite chemical formula.

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Ettringite and Datolite Specific Gravity

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