Microlite and Austinite Physical Properties

Microlite

Austinite

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Physical Properties

Tenacity

Brittle

Solubility

Easily soluble in cold dilute HCl

Durability

Specific Gravity

5.54.12

1 7.18

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Fracture

Conchoidal

Uneven

Cleavage

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

Good in two directions parallel to the prism faces {110}

Mohs Hardness

5-5.54-4.5

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

CaZn(AsO4)(OH)

Microlite and Austinite Chemical Formula

While comparing Microlite and Austinite 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 Austinite 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 Austinite- CaZn(AsO4)(OH)

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Microlite and Austinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Microlite and Austinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Microlite and Austinite Optical Properties during the identification of gemstone. Specific gravity of Microlite is 4.12 whereas that of Austinite is 4.12.