Pumpellyite and Thulite Physical Properties

Pumpellyite

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

3.20-3.303.1

1 7.18

1.5 Fracture

Not Available

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Not Available

Perfect {010} imperfect {100}

1.7 Mohs Hardness

5-66-7

2 10

1.8 Chemical Composition

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

Ca₂Al₃(SiO₄)₃(OH)

Pumpellyite and Thulite Chemical Formula

While comparing Pumpellyite 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 Pumpellyite and Thulite chemical formula.

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

Compare Green Gemstones

Pumpellyite Vs Rubellite

Pumpellyite Vs Rutilated Quartz

Pumpellyite Vs Sapphire

Pumpellyite and Thulite Specific Gravity

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