Dumortierite and Microlite Physical Properties

Dumortierite

Microlite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.26-3.415.5

1 7.18

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Fracture

Fibrous, ConchoidalWalter Schumann

Conchoidal

Cleavage

Distinct on {100}, poor on {110}; parting on {001}

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

Mohs Hardness

7-8.55-5.5

2 10

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Chemical Composition

AlAl₆O₃BSi₃O₁₈

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

Dumortierite and Microlite Chemical Formula

While comparing Dumortierite and Microlite 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 Dumortierite and Microlite chemical formula.

Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈
Chemical formula of Microlite- (Ca,Na) 2Ta 2O 6(O,OH,F)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Dumortierite and Microlite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dumortierite and Microlite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dumortierite and Microlite Optical Properties during the identification of gemstone. Specific gravity of Dumortierite is 5.5 whereas that of Microlite is 5.5.