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Siderite
Siderite

Cobaltite
Cobaltite



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Siderite
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Cobaltite

Siderite and Cobaltite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.83-3.896.3
Amber
1 7.18
1.8 Fracture
Uneven, Conchoidal, UnevenArthur Thomas, Brittle
UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, Brittle, Metallic
1.10 Cleavage
Perfect on {01 1 1}
{100} Good, {010} Good, {001} Good
2.2 Mohs Hardness
3.5-4.55.5
Amber
2 10
2.5 Chemical Composition
Fe2+ CO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
CoAsSAnthony et al , Handbook of mineralogy (2001)

Siderite and Cobaltite Chemical Formula

While comparing Siderite and Cobaltite 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 Cobaltite chemical formula.

  • Chemical formula of Siderite- Fe2+ CO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)

Siderite and Cobaltite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Siderite and Cobaltite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Siderite and Cobaltite Optical Properties during the identification of gemstone. Specific gravity of Siderite is 6.3 whereas that of Cobaltite is 6.3.