Elbaite and Fluorite Physical Properties

Elbaite

Fluorite

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Physical Properties

Tenacity

Brittle

Solubility

slightly water soluble and in hot hydrochloric acid

Durability

Specific Gravity

2.90-3.103.00-3.25

1 7.18

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Fracture

Uneven, Conchoidal

Subconchoidal, Uneven, ConchoidalWalter Schumann

Cleavage

Poor/indistinct on {1120} and {1011}

Octahedral, perfect on {111}, parting on {011}

Mohs Hardness

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

CaF₂

Elbaite and Fluorite Chemical Formula

While comparing Elbaite and Fluorite 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 Fluorite 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 Fluorite- CaF₂

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Elbaite and Fluorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Elbaite and Fluorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Elbaite and Fluorite Optical Properties during the identification of gemstone. Specific gravity of Elbaite is 3.00-3.25 whereas that of Fluorite is 3.00-3.25.