Covellite and Andradite Garnet Physical Properties

Covellite

Andradite Garnet

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1 Physical Properties

1.1 Tenacity

Flexible

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.6-4.763.8-3.9

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Perfect on {0001}

None

1.7 Mohs Hardness

Not Available6.5-7.5

2 10

1.8 Chemical Composition

CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

Ca₃Fe³⁺₂Si₃O₁₂

Covellite and Andradite Garnet Chemical Formula

While comparing Covellite and Andradite Garnet 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 Covellite and Andradite Garnet chemical formula.

Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Andradite Garnet- Ca₃Fe³⁺₂Si₃O₁₂

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Covellite and Andradite Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Covellite and Andradite Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Covellite and Andradite Garnet Optical Properties during the identification of gemstone. Specific gravity of Covellite is 3.8-3.9 whereas that of Andradite Garnet is 3.8-3.9.