Microlite and Sellaite Physical Properties

Microlite

Sellaite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

5.53.14-3.16

1 7.18

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Fracture

Conchoidal

Cleavage

{111} Indistinct, {111} Indistinct, {111} Indistinct

Perfect on {010} and {110}

Mohs Hardness

5-5.55-5.5

2 10

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Chemical Composition

(Ca,Na) 2Ta 2O 6(O,OH,F)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

MgF 2Ulrich Henn and Claudio C.

Microlite and Sellaite Chemical Formula

While comparing Microlite and Sellaite 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 Microlite and Sellaite chemical formula.

Chemical formula of Microlite- (Ca,Na) 2Ta 2O 6(O,OH,F)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Sellaite- MgF 2Ulrich Henn and Claudio C.

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Microlite and Sellaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Microlite and Sellaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Microlite and Sellaite Optical Properties during the identification of gemstone. Specific gravity of Microlite is 3.14-3.16 whereas that of Sellaite is 3.14-3.16.