Diaspore and Dumortierite Physical Properties

Diaspore

Dumortierite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Very brittle

insoluble

3.30-3.40

Conchoidal

{010} perfect, {110} distinct, {100} in traces

6.5-7

AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

3.26-3.41

Fibrous, ConchoidalWalter Schumann

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

7-8.5

AlAl₆O₃BSi₃O₁₈

Diaspore and Dumortierite Chemical Formula

While comparing Diaspore 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 Diaspore and Dumortierite chemical formula.

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Diaspore and Dumortierite Specific Gravity

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