Allanite and Cuprite Physical Properties

Allanite

Cuprite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.40-4.205.85-6.15

1 7.18

1.5 Fracture

Not Available

Conchoidal, Metallic, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

Not Available

Fair in four directions forming octahedrons

1.7 Mohs Hardness

Not Available3.5-4

2 10

1.8 Chemical Composition

Not Available

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

Allanite and Cuprite Chemical Formula

While comparing Allanite and Cuprite 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 Allanite and Cuprite chemical formula.

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

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Allanite and Cuprite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Allanite and Cuprite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Allanite and Cuprite Optical Properties during the identification of gemstone. Specific gravity of Allanite is 5.85-6.15 whereas that of Cuprite is 5.85-6.15.