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Ettringite
Ettringite

Elbaite
Elbaite



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Ettringite
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Elbaite

Ettringite and Elbaite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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Partially soluble in water
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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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2.90-3.10
Uneven, Conchoidal
Poor/indistinct on {1120} and {1011}
7
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references

Ettringite and Elbaite Chemical Formula

While comparing Ettringite and Elbaite 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 Elbaite chemical formula.

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Ettringite and Elbaite Specific Gravity

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