Microlite and Dumortierite Physical Properties

Microlite

Dumortierite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

5.53.26-3.41

1 7.18

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Fracture

Conchoidal

Fibrous, ConchoidalWalter Schumann

Cleavage

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

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

Mohs Hardness

5-5.57-8.5

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

AlAl₆O₃BSi₃O₁₈

Microlite and Dumortierite Chemical Formula

While comparing Microlite and Dumortierite 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 Dumortierite 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 Dumortierite- AlAl₆O₃BSi₃O₁₈

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Microlite and Dumortierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Microlite and Dumortierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Microlite and Dumortierite Optical Properties during the identification of gemstone. Specific gravity of Microlite is 3.26-3.41 whereas that of Dumortierite is 3.26-3.41.