Thulite and Chlorapatite Physical Properties

Thulite

Chlorapatite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.13.17-3.18

1 7.18

1.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

Not Available

1.6 Cleavage

Perfect {010} imperfect {100}

Not Available

1.7 Mohs Hardness

6-7Not Available

2 10

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

Ca 5(PO 4) 3ClAnthony et al , Handbook of mineralogy (2001)

Thulite and Chlorapatite Chemical Formula

While comparing Thulite and Chlorapatite 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 Thulite and Chlorapatite chemical formula.

Chemical formula of Thulite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Chlorapatite- Ca 5(PO 4) 3ClAnthony et al , Handbook of mineralogy (2001)

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Thulite and Chlorapatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Thulite and Chlorapatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Thulite and Chlorapatite Optical Properties during the identification of gemstone. Specific gravity of Thulite is 3.17-3.18 whereas that of Chlorapatite is 3.17-3.18.