Riebeckite and Caledonite Physical Properties

Riebeckite

Caledonite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.28-3.445.6-5.76

1 7.18

1.5 Fracture

Uneven, Splintery, Brittle

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

1.6 Cleavage

Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}

[001] perfect; [100] distinct

1.7 Mohs Hardness

5.0-6.02.5-3

2 10

1.8 Chemical Composition

Not Available

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

Riebeckite and Caledonite Chemical Formula

While comparing Riebeckite 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 Riebeckite and Caledonite chemical formula.

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

Compare Blue Gemstones

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Riebeckite Vs Paraiba

Riebeckite and Caledonite Specific Gravity

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