Microlite and Staurolite Physical Properties

Microlite

Staurolite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

5.53.7-3.8

1 7.18

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Fracture

Conchoidal

Subconchoidal, Conchoidal

Cleavage

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

Distinct on {010}

Mohs Hardness

5-5.57-7.5

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

(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.

Microlite and Staurolite Chemical Formula

While comparing Microlite and Staurolite 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 Staurolite 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 Staurolite- (Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.

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Microlite and Staurolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Microlite and Staurolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Microlite and Staurolite Optical Properties during the identification of gemstone. Specific gravity of Microlite is 3.7-3.8 whereas that of Staurolite is 3.7-3.8.