Carnallite and Pleonaste Physical Properties

Carnallite

Pleonaste

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.63.80

1 7.18

1.5 Fracture

Violet, Conchoidal, Brittle, Conchoidal, Brittle

Not Available

1.6 Cleavage

None

Not Available

1.7 Mohs Hardness

2.58

2 10

1.8 Chemical Composition

KMgCl3•6(H2O)

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

Carnallite and Pleonaste Chemical Formula

While comparing Carnallite and Pleonaste 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 Carnallite and Pleonaste chemical formula.

Chemical formula of Carnallite- KMgCl3•6(H2O)
Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

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Carnallite and Pleonaste Specific Gravity

Another important criteria for qualitative analysis of gemstones is Carnallite and Pleonaste Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Carnallite and Pleonaste Optical Properties during the identification of gemstone. Specific gravity of Carnallite is 3.80 whereas that of Pleonaste is 3.80.