Caledonite and Scolecite Physical Properties

Caledonite

Scolecite

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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

5.6-5.762.20-2.23

1 7.18

1.5 Fracture

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

Irregular/uneven, UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Uneven

1.6 Cleavage

[001] perfect; [100] distinct

Perfect on {110} and {1 1 0}

1.7 Mohs Hardness

2.5-35-5.5

2 10

1.8 Chemical Composition

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

CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.

Caledonite and Scolecite Chemical Formula

While comparing Caledonite and Scolecite 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 Scolecite chemical formula.

Chemical formula of Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Scolecite- CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.

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Caledonite and Scolecite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Caledonite and Scolecite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Caledonite and Scolecite Optical Properties during the identification of gemstone. Specific gravity of Caledonite is 2.20-2.23 whereas that of Scolecite is 2.20-2.23.