Caledonite and Cryolite Physical Properties

Caledonite

Cryolite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

5.6-5.762.97

1 7.18

1.5 Fracture

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

Uneven

1.6 Cleavage

[001] perfect; [100] distinct

None observed

1.7 Mohs Hardness

2.5-32.5

2 10

1.8 Chemical Composition

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

Na 3AlF 6Ulrich Henn and Claudio C.

Caledonite and Cryolite Chemical Formula

While comparing Caledonite and Cryolite 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 Cryolite 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 Cryolite- Na 3AlF 6Ulrich Henn and Claudio C.

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Caledonite and Cryolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Caledonite and Cryolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Caledonite and Cryolite Optical Properties during the identification of gemstone. Specific gravity of Caledonite is 2.97 whereas that of Cryolite is 2.97.