Carnallite and Caledonite Physical Properties

Carnallite

Caledonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.65.6-5.76

1 7.18

1.5 Fracture

Violet, Conchoidal, Brittle, Conchoidal, Brittle

Uneven, UnevenAnthony et al, Handbook of mineralogy (2001)

1.6 Cleavage

None

[001] perfect; [100] distinct

1.7 Mohs Hardness

2.52.5-3

2 10

1.8 Chemical Composition

KMgCl3•6(H2O)

Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

Carnallite and Caledonite Chemical Formula

While comparing Carnallite and Caledonite 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 Caledonite chemical formula.

Chemical formula of Carnallite- KMgCl3•6(H2O)
Chemical formula of Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

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Carnallite and Caledonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Carnallite and Caledonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Carnallite and Caledonite Optical Properties during the identification of gemstone. Specific gravity of Carnallite is 5.6-5.76 whereas that of Caledonite is 5.6-5.76.