Calcite and Caledonite Physical Properties

Calcite

Caledonite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.67-2.735.6-5.76

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

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

1.6 Cleavage

Perfect on [10 1 1] three directions with angle of 74° 55

[001] perfect; [100] distinct

1.7 Mohs Hardness

32.5-3

2 10

1.8 Chemical Composition

CaCO 3Ulrich Henn and Claudio C.

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

Calcite and Caledonite Chemical Formula

While comparing Calcite 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 Calcite and Caledonite chemical formula.

Chemical formula of Calcite- CaCO 3Ulrich Henn and Claudio C.
Chemical formula of Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

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Calcite and Caledonite Specific Gravity

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