Pumpellyite and Tanzanite Physical Properties

Pumpellyite

Tanzanite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

Hard

1.4 Specific Gravity

3.20-3.303.35

1 7.18

1.5 Fracture

Not Available

Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

Not Available

Perfect {010}, imperfect {100}

1.7 Mohs Hardness

5-66.5-7

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 Tanzanite Chemical Formula

While comparing Pumpellyite and Tanzanite 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 Tanzanite 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 Tanzanite- Ca₂Al₃(SiO₄)₃(OH)

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Pumpellyite and Tanzanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pumpellyite and Tanzanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pumpellyite and Tanzanite Optical Properties during the identification of gemstone. Specific gravity of Pumpellyite is 3.35 whereas that of Tanzanite is 3.35.