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Elbaite
Elbaite

Verdite
Verdite



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Elbaite
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Verdite

Elbaite and Verdite Physical Properties

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Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.90-3.102.80-3.0
1 7.18
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Fracture

Uneven, Conchoidal
-

Cleavage

Poor/indistinct on {1120} and {1011}
{110} Good

Mohs Hardness

73
2 10
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Chemical Composition

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
NaFeS2•2(H2O)

Elbaite and Verdite Chemical Formula

While comparing Elbaite and Verdite 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 Elbaite and Verdite chemical formula.

  • Chemical formula of Elbaite- 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
  • Chemical formula of Verdite- NaFeS2•2(H2O)

Elbaite and Verdite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Elbaite and Verdite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Elbaite and Verdite Optical Properties during the identification of gemstone. Specific gravity of Elbaite is 2.80-3.0 whereas that of Verdite is 2.80-3.0.