Thulite and Chlorite group Physical Properties

Thulite

Chlorite group

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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

3.12.6-3.3

1 7.18

1.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

Lamellar

1.6 Cleavage

Perfect {010} imperfect {100}

Perfect 001

1.7 Mohs Hardness

6-72-2.5

2 10

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

Not Available

Thulite and Chlorite group Chemical Formula

While comparing Thulite and Chlorite group 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 Chlorite group chemical formula.

Chemical formula of Thulite- Ca₂Al₃(SiO₄)₃(OH)

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Thulite and Chlorite group Specific Gravity

Another important criteria for qualitative analysis of gemstones is Thulite and Chlorite group Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Thulite and Chlorite group Optical Properties during the identification of gemstone. Specific gravity of Thulite is 2.6-3.3 whereas that of Chlorite group is 2.6-3.3.