Cobaltite and Prehnite Physical Properties

Cobaltite

Prehnite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.32.80-2.95

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, Yellow, White, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic

1.6 Cleavage

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

Distinct on [001]

1.7 Mohs Hardness

5.56-6.5

2 10

1.8 Chemical Composition

CoAsSAnthony et al , Handbook of mineralogy (2001)

Ca₂Al₂Si₃O₁₂(OH)

Cobaltite and Prehnite Chemical Formula

While comparing Cobaltite and Prehnite 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 Prehnite chemical formula.

Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)
Chemical formula of Prehnite- Ca₂Al₂Si₃O₁₂(OH)

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Cobaltite and Prehnite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cobaltite and Prehnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cobaltite and Prehnite Optical Properties during the identification of gemstone. Specific gravity of Cobaltite is 2.80-2.95 whereas that of Prehnite is 2.80-2.95.