Weloganite and Thulite Physical Properties

Weloganite

Thulite

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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

3.20-3.223.1

1 7.18

1.5 Fracture

Conchoidal, Brittle

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect on pseudo {0001}

Perfect {010} imperfect {100}

1.7 Mohs Hardness

36-7

2 10

1.8 Chemical Composition

Not Available

Ca₂Al₃(SiO₄)₃(OH)

Weloganite and Thulite Chemical Formula

While comparing Weloganite and Thulite 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 Weloganite and Thulite chemical formula.

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

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Weloganite and Thulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Weloganite and Thulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Weloganite and Thulite Optical Properties during the identification of gemstone. Specific gravity of Weloganite is 3.1 whereas that of Thulite is 3.1.