Phlogopite and Cuprite Physical Properties

Phlogopite

Cuprite

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1 Physical Properties

1.1 Tenacity

Tough

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.78-2.855.85-6.15

1 7.18

1.5 Fracture

None, Uneven

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

1.6 Cleavage

Perfect basal (001)

Fair in four directions forming octahedrons

1.7 Mohs Hardness

2-2.53.5-4

2 10

1.8 Chemical Composition

Not Available

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

Phlogopite and Cuprite Chemical Formula

While comparing Phlogopite 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 Phlogopite and Cuprite chemical formula.

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

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Phlogopite and Cuprite Specific Gravity

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