Thulite and Pumpellyite Physical Properties

Thulite

Pumpellyite

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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

3.13.20-3.30

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

6-75-6

2 10

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.

Thulite and Pumpellyite Chemical Formula

While comparing Thulite and Pumpellyite 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 Pumpellyite chemical formula.

Chemical formula of Thulite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Pumpellyite- Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.

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Thulite and Pumpellyite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Thulite and Pumpellyite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Thulite and Pumpellyite Optical Properties during the identification of gemstone. Specific gravity of Thulite is 3.20-3.30 whereas that of Pumpellyite is 3.20-3.30.