Elbaite and Tavorite Physical Properties

Elbaite

Tavorite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.90-3.103.32

1 7.18

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Fracture

Uneven, Conchoidal

Cleavage

Poor/indistinct on {1120} and {1011}

{???} Distinct, {???} Distinct, {???} Distinct

Mohs Hardness

7-9999

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

LiFe3+ (PO 4)(OH)Anthony et al , Handbook of mineralogy (2001)

Elbaite and Tavorite Chemical Formula

While comparing Elbaite and Tavorite 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 Tavorite 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 Tavorite- LiFe3+ (PO 4)(OH)Anthony et al , Handbook of mineralogy (2001)

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Elbaite and Tavorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Elbaite and Tavorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Elbaite and Tavorite Optical Properties during the identification of gemstone. Specific gravity of Elbaite is 3.32 whereas that of Tavorite is 3.32.