Melanite and Cuprite Physical Properties

Melanite

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

3.70-4.105.85-6.15

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

Not Available

Fair in four directions forming octahedrons

1.7 Mohs Hardness

6.5-73.5-4

2 10

1.8 Chemical Composition

Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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

Melanite and Cuprite Chemical Formula

While comparing Melanite 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 Melanite and Cuprite chemical formula.

Chemical formula of Melanite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Cuprite- Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Melanite and Cuprite Specific Gravity

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