Eosphorite and Cobaltite Physical Properties

Eosphorite

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

3.05-3.086.3

1 7.18

1.5 Fracture

Subconchoidal, Uneven, Conchoidal, Uneven

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

Poor on {100}

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

1.7 Mohs Hardness

55.5

2 10

1.8 Chemical Composition

Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

CoAsSAnthony et al , Handbook of mineralogy (2001)

Eosphorite and Cobaltite Chemical Formula

While comparing Eosphorite 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 Eosphorite and Cobaltite chemical formula.

Chemical formula of Eosphorite- Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)

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Eosphorite and Cobaltite Specific Gravity

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