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Siderite
Siderite

Covellite
Covellite



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Siderite
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Covellite

Siderite and Covellite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Flexible
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.83-3.894.6-4.76
Amber
1 7.18
1.5 Fracture
Uneven, Conchoidal, UnevenArthur Thomas, Brittle
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
1.6 Cleavage
Perfect on {01 1 1}
Perfect on {0001}
1.7 Mohs Hardness
3.5-4.5Not Available
Amber
2 10
1.8 Chemical Composition
Fe2+ CO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
CuSMichael O’Donoghue , Gems, Sixth edition (2006) More from other references

Siderite and Covellite Chemical Formula

While comparing Siderite 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 Siderite and Covellite chemical formula.

  • Chemical formula of Siderite- Fe2+ CO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Covellite- CuSMichael O’Donoghue , Gems, Sixth edition (2006) More from other references

Siderite and Covellite Specific Gravity

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