Caledonite and Kutnohorite Physical Properties

Caledonite

Kutnohorite

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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

5.6-5.763.12

1 7.18

1.5 Fracture

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

Subconchoidal, Brittle, Conchoidal

1.6 Cleavage

[001] perfect; [100] distinct

Perfect on {10 1 1}

1.7 Mohs Hardness

2.5-33-4

2 10

1.8 Chemical Composition

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

Not Available

Caledonite and Kutnohorite Chemical Formula

While comparing Caledonite and Kutnohorite 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 Kutnohorite chemical formula.

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

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Caledonite and Kutnohorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Caledonite and Kutnohorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Caledonite and Kutnohorite Optical Properties during the identification of gemstone. Specific gravity of Caledonite is 3.12 whereas that of Kutnohorite is 3.12.