Danburite and Cuprite Physical Properties

Danburite

Cuprite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.97-3.035.85-6.15

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

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

1.6 Cleavage

{001} Poor

Fair in four directions forming octahedrons

1.7 Mohs Hardness

73.5-4

2 10

1.8 Chemical Composition

CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Danburite and Cuprite Chemical Formula

While comparing Danburite 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 Danburite and Cuprite chemical formula.

Chemical formula of Danburite- CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Cuprite- Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Danburite and Cuprite Specific Gravity

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