Charoite and Cobaltite Physical Properties

Charoite

Cobaltite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.54-2.786.3

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

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

Good in three directions

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

1.7 Mohs Hardness

5-65.5

2 10

1.8 Chemical Composition

K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

CoAsSAnthony et al , Handbook of mineralogy (2001)

Charoite and Cobaltite Chemical Formula

While comparing Charoite 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 Charoite and Cobaltite chemical formula.

Chemical formula of Charoite- K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)

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Charoite and Cobaltite Specific Gravity

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