Thulite and Simpsonite Physical Properties

Thulite

Simpsonite

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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

3.1Not Available

1 7.18

1.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

Perfect {010} imperfect {100}

None

1.7 Mohs Hardness

6-77-7.5

2 10

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

Thulite and Simpsonite Chemical Formula

While comparing Thulite and Simpsonite 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 Simpsonite chemical formula.

Chemical formula of Thulite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Simpsonite- Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

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Thulite and Simpsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Thulite and Simpsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Thulite and Simpsonite Optical Properties during the identification of gemstone. Specific gravity of Thulite is Not Available whereas that of Simpsonite is Not Available.