Cobaltite and Zoisite Physical Properties

Cobaltite

Zoisite

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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

6.33.20-3.50

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

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Even

1.6 Cleavage

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

Perfect {010} imperfect {100}

1.7 Mohs Hardness

5.56-7

2 10

1.8 Chemical Composition

CoAsSAnthony et al , Handbook of mineralogy (2001)

Ca₂Al₃(SiO₄)₃(OH)

Cobaltite and Zoisite Chemical Formula

While comparing Cobaltite and Zoisite 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 Zoisite chemical formula.

Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)
Chemical formula of Zoisite- Ca₂Al₃(SiO₄)₃(OH)

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Cobaltite and Zoisite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cobaltite and Zoisite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cobaltite and Zoisite Optical Properties during the identification of gemstone. Specific gravity of Cobaltite is 3.20-3.50 whereas that of Zoisite is 3.20-3.50.