Cuprite and Dumortierite Physical Properties

Cuprite

Dumortierite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

5.85-6.153.26-3.41

1 7.18

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Fracture

Conchoidal

Fibrous, ConchoidalWalter Schumann

Cleavage

Fair in four directions forming octahedrons

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

Mohs Hardness

3.5-47-8.5

2 10

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Chemical Composition

Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

AlAl₆O₃BSi₃O₁₈

Cuprite and Dumortierite Chemical Formula

While comparing Cuprite 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 Cuprite and Dumortierite chemical formula.

Chemical formula of Cuprite- Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈

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Cuprite and Dumortierite Specific Gravity

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