Charlesite and Cobaltite Physical Properties

Charlesite

Cobaltite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.796.3

1 7.18

1.5 Fracture

Irregular/uneven, Brittle, Metallic

UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, Brittle, Metallic

1.6 Cleavage

Perfect on {10bar10}

{100} Good, {010} Good, {001} Good

1.7 Mohs Hardness

2.55.5

2 10

1.8 Chemical Composition

Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)

CoAsSAnthony et al , Handbook of mineralogy (2001)

Charlesite and Cobaltite Chemical Formula

While comparing Charlesite 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 Charlesite and Cobaltite chemical formula.

Chemical formula of Charlesite- Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)
Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)

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Charlesite and Cobaltite Specific Gravity

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