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Cobaltite
Cobaltite

Londonite
Londonite



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Cobaltite
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Londonite

Cobaltite and Londonite 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
6.33.34
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
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
1.6 Cleavage
{100} Good, {010} Good, {001} Good
None
1.7 Mohs Hardness
5.5Not Available
Amber
2 10
1.8 Chemical Composition
CoAsSAnthony et al , Handbook of mineralogy (2001)
(Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)

Cobaltite and Londonite Chemical Formula

While comparing Cobaltite and Londonite 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 Londonite chemical formula.

  • Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)
  • Chemical formula of Londonite- (Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)

Cobaltite and Londonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cobaltite and Londonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cobaltite and Londonite Optical Properties during the identification of gemstone. Specific gravity of Cobaltite is 3.34 whereas that of Londonite is 3.34.