Achroite and Elbaite Physical Properties

Achroite

Elbaite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

2.90-3.40

Uneven, ConchoidalWalter Schumann

Indiscernible

7-7.5

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

2.90-3.10

Uneven, Conchoidal

Poor/indistinct on {1120} and {1011}

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

Achroite and Elbaite Chemical Formula

While comparing Achroite 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 Achroite and Elbaite chemical formula.

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Achroite and Elbaite Specific Gravity

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