Cobaltite and Vivianite Physical Properties

Cobaltite

Vivianite

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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

6.32.64-2.70

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

(e.g. graphite).

1.6 Cleavage

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

{010} Perfect

1.7 Mohs Hardness

5.5Not Available

2 10

1.8 Chemical Composition

CoAsSAnthony et al , Handbook of mineralogy (2001)

Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Cobaltite and Vivianite Chemical Formula

While comparing Cobaltite and Vivianite 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 Vivianite chemical formula.

Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)
Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Compare Gems Found in America

Cobaltite Vs Diopside

Cobaltite Vs Diamond

Cobaltite Vs Datolite

Cobaltite and Vivianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cobaltite and Vivianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cobaltite and Vivianite Optical Properties during the identification of gemstone. Specific gravity of Cobaltite is 2.64-2.70 whereas that of Vivianite is 2.64-2.70.