Mottramite and Caledonite Physical Properties

Mottramite

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

5.95.6-5.76

1 7.18

1.5 Fracture

Sub-Conchoidal, Brittle, Metallic

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

1.6 Cleavage

None observed

[001] perfect; [100] distinct

1.7 Mohs Hardness

32.5-3

2 10

1.8 Chemical Composition

Not Available

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

Mottramite and Caledonite Chemical Formula

While comparing Mottramite 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 Mottramite and Caledonite 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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Mottramite and Caledonite Specific Gravity

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