Cuprite and Pargasite Physical Properties

Cuprite

Pargasite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.85-6.153.04-3.26

1 7.18

1.5 Fracture

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

Splintery, Brittle, Uneven

1.6 Cleavage

Fair in four directions forming octahedrons

{110} perfect

1.7 Mohs Hardness

3.5-45-6

2 10

1.8 Chemical Composition

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

NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Cuprite and Pargasite Chemical Formula

While comparing Cuprite and Pargasite 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 Pargasite chemical formula.

Chemical formula of Cuprite- Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Cuprite and Pargasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cuprite and Pargasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cuprite and Pargasite Optical Properties during the identification of gemstone. Specific gravity of Cuprite is 3.04-3.26 whereas that of Pargasite is 3.04-3.26.