Pleonaste and Cobaltite Physical Properties

Pleonaste

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

3.806.3

1 7.18

1.5 Fracture

Not Available

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

Not Available

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

1.7 Mohs Hardness

85.5

2 10

1.8 Chemical Composition

(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

CoAsSAnthony et al , Handbook of mineralogy (2001)

Pleonaste and Cobaltite Chemical Formula

While comparing Pleonaste 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 Pleonaste and Cobaltite chemical formula.

Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)

Compare Blue Gemstones

Pleonaste Vs Rock Crystal

Pleonaste Vs Rubellite

Pleonaste Vs Pyrophyllite

Pleonaste and Cobaltite Specific Gravity

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