Caledonite and Halite Physical Properties

Caledonite

Halite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Water-soluble

1.3 Durability

Not Available

1.4 Specific Gravity

5.6-5.762.17

1 7.18

1.5 Fracture

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

Conchoidal, Brittle, Metallic

1.6 Cleavage

[001] perfect; [100] distinct

Perfect {001}, three directions cubic

1.7 Mohs Hardness

2.5-32.0-2.5

2 10

1.8 Chemical Composition

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

NaCl

Caledonite and Halite Chemical Formula

While comparing Caledonite and Halite 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 Caledonite and Halite chemical formula.

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

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Caledonite and Halite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Caledonite and Halite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Caledonite and Halite Optical Properties during the identification of gemstone. Specific gravity of Caledonite is 2.17 whereas that of Halite is 2.17.