Peridot and Cuprite Physical Properties

Peridot

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

1.54-1.555.85-6.15

1 7.18

1.5 Fracture

Conchoidal

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

1.6 Cleavage

Poor

Fair in four directions forming octahedrons

1.7 Mohs Hardness

6.5-73.5-4

2 10

1.8 Chemical Composition

(Mg,Fe)₂SiO₄

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

Peridot and Cuprite Chemical Formula

While comparing Peridot 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 Peridot and Cuprite chemical formula.

Chemical formula of Peridot- (Mg,Fe)₂SiO₄
Chemical formula of Cuprite- Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Peridot and Cuprite Specific Gravity

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