Thulite and Pyrrhotite Physical Properties

Thulite

Pyrrhotite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.14.58-4.65

1 7.18

1.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

Uneven

1.6 Cleavage

Perfect {010} imperfect {100}

Absent

1.7 Mohs Hardness

6-73.5-4.5

2 10

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

Not Available

Thulite and Pyrrhotite Chemical Formula

While comparing Thulite and Pyrrhotite 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 Pyrrhotite chemical formula.

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

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Thulite and Pyrrhotite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Thulite and Pyrrhotite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Thulite and Pyrrhotite Optical Properties during the identification of gemstone. Specific gravity of Thulite is 4.58-4.65 whereas that of Pyrrhotite is 4.58-4.65.