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Cobaltite
Cobaltite

Almandine
Almandine



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Cobaltite
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Almandine

Cobaltite and Almandine Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
6.33.95-4.30
Amber
1 7.18
1.5 Fracture
UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, Brittle, Metallic
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
1.6 Cleavage
{100} Good, {010} Good, {001} Good
none
1.7 Mohs Hardness
5.57-7.5
Amber
2 10
1.8 Chemical Composition
CoAsSAnthony et al , Handbook of mineralogy (2001)
Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Cobaltite and Almandine Chemical Formula

While comparing Cobaltite and Almandine 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 Cobaltite and Almandine chemical formula.

  • Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)
  • Chemical formula of Almandine- Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Cobaltite and Almandine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cobaltite and Almandine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cobaltite and Almandine Optical Properties during the identification of gemstone. Specific gravity of Cobaltite is 3.95-4.30 whereas that of Almandine is 3.95-4.30.