Cryolite and Elbaite Physical Properties

Cryolite

Elbaite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.972.90-3.10

1 7.18

1.5 Fracture

Uneven

Uneven, Conchoidal, Brittle, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

1.6 Cleavage

None observed

Poor/indistinct on {1120} and {1011}

1.7 Mohs Hardness

2.57

2 10

1.8 Chemical Composition

Na 3AlF 6Ulrich Henn and Claudio C.

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

Cryolite and Elbaite Chemical Formula

While comparing Cryolite 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 Cryolite and Elbaite chemical formula.

Chemical formula of Cryolite- Na 3AlF 6Ulrich Henn and Claudio C.
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

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Cryolite and Elbaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cryolite and Elbaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cryolite and Elbaite Optical Properties during the identification of gemstone. Specific gravity of Cryolite is 2.90-3.10 whereas that of Elbaite is 2.90-3.10.