Caledonite and Plumbogummite Physical Properties

Caledonite

Plumbogummite

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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

5.6-5.764.014

1 7.18

1.5 Fracture

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

Uneven, Conchoidal

1.6 Cleavage

[001] perfect; [100] distinct

None

1.7 Mohs Hardness

2.5-34-5

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 Plumbogummite Chemical Formula

While comparing Caledonite and Plumbogummite 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 Plumbogummite 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 Plumbogummite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Caledonite and Plumbogummite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Caledonite and Plumbogummite Optical Properties during the identification of gemstone. Specific gravity of Caledonite is 4.014 whereas that of Plumbogummite is 4.014.