Microlite and Thulite Physical Properties

Microlite

Thulite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

5.53.1

1 7.18

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Fracture

Conchoidal

Uneven, Conchoidal

Cleavage

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

Perfect {010} imperfect {100}

Mohs Hardness

5-5.56-7

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

Ca₂Al₃(SiO₄)₃(OH)

Microlite and Thulite Chemical Formula

While comparing Microlite and Thulite 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 Thulite 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 Thulite- Ca₂Al₃(SiO₄)₃(OH)

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Microlite and Thulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Microlite and Thulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Microlite and Thulite Optical Properties during the identification of gemstone. Specific gravity of Microlite is 3.1 whereas that of Thulite is 3.1.