Elbaite and Anthophyllite Physical Properties

Elbaite

Anthophyllite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.90-3.102.9-3.5

1 7.18

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Fracture

Uneven, Conchoidal

Conchoidal

Cleavage

Poor/indistinct on {1120} and {1011}

{110} Perfect, {???} Distinct, {???} Distinct

Mohs Hardness

75.5-6

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

(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Elbaite and Anthophyllite Chemical Formula

While comparing Elbaite and Anthophyllite 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 Anthophyllite 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 Anthophyllite- (Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

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Elbaite and Anthophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Elbaite and Anthophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Elbaite and Anthophyllite Optical Properties during the identification of gemstone. Specific gravity of Elbaite is 2.9-3.5 whereas that of Anthophyllite is 2.9-3.5.