Friedelite and Covellite Physical Properties

Friedelite

Covellite

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1 Physical Properties

1.1 Tenacity

Not Available

Flexible

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.06-3.194.6-4.76

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven

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

1.6 Cleavage

{010} Perfect

Perfect on {0001}

1.7 Mohs Hardness

4-5Not Available

2 10

1.8 Chemical Composition

Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

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

Friedelite and Covellite Chemical Formula

While comparing Friedelite and Covellite 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 Friedelite and Covellite chemical formula.

Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.
Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

Compare Red Gemstones

Friedelite Vs Imperial Topaz

Friedelite Vs Hydrogrossular

Friedelite Vs Hibonite

Friedelite and Covellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Friedelite and Covellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Friedelite and Covellite Optical Properties during the identification of gemstone. Specific gravity of Friedelite is 4.6-4.76 whereas that of Covellite is 4.6-4.76.