Microlite and Topaz Physical Properties

Microlite

Topaz

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

5.53.49-3.57

1 7.18

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Fracture

Conchoidal

Subconchoidal, Uneven, Conchoidal

Cleavage

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

[001] Perfect

Mohs Hardness

5-5.58

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

Al₂SiO₄(F,OH)₂

Microlite and Topaz Chemical Formula

While comparing Microlite and Topaz 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 Topaz 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 Topaz- Al₂SiO₄(F,OH)₂

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Microlite and Topaz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Microlite and Topaz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Microlite and Topaz Optical Properties during the identification of gemstone. Specific gravity of Microlite is 3.49-3.57 whereas that of Topaz is 3.49-3.57.