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Cobaltite
Cobaltite

Augelite
Augelite



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Cobaltite
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Augelite

Cobaltite and Augelite 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
6.32.70-2.75
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
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
{100} Good, {010} Good, {001} Good
From the Greek for luster, for its pearly luster on the cleavage.
1.7 Mohs Hardness
5.54.5-5
Amber
2 10
1.8 Chemical Composition
CoAsSAnthony et al , Handbook of mineralogy (2001)
Al 2(PO 4)(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Cobaltite and Augelite Chemical Formula

While comparing Cobaltite and Augelite 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 Augelite chemical formula.

  • Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)
  • Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Cobaltite and Augelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cobaltite and Augelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cobaltite and Augelite Optical Properties during the identification of gemstone. Specific gravity of Cobaltite is 2.70-2.75 whereas that of Augelite is 2.70-2.75.