Norbergite and Caledonite Physical Properties

Norbergite

Caledonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.1775.6-5.76

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

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

1.6 Cleavage

{???} Distinct

[001] perfect; [100] distinct

1.7 Mohs Hardness

6-6.52.5-3

2 10

1.8 Chemical Composition

Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)

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

Norbergite and Caledonite Chemical Formula

While comparing Norbergite 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 Norbergite and Caledonite chemical formula.

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

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Norbergite and Caledonite Specific Gravity

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