Thomsonite and Covellite Physical Properties

Thomsonite

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

2.25-2.404.6-4.76

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

perfect on {010}; good on {100}

Perfect on {0001}

1.7 Mohs Hardness

5-5.5Not Available

2 10

1.8 Chemical Composition

NaCa 2Al 5Si 5O 20 · 6H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Thomsonite and Covellite Chemical Formula

While comparing Thomsonite 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 Thomsonite and Covellite chemical formula.

Chemical formula of Thomsonite- NaCa 2Al 5Si 5O 20 · 6H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

Compare White Gemstones

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Thomsonite and Covellite Specific Gravity

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