Poldervaartite and Pumpellyite Physical Properties

Poldervaartite

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

2.91

3.20-3.30

1.5 Fracture

Handbook of mineralogy (2001)

Not Available

1.6 Cleavage

None

Not Available

1.7 Mohs Hardness

Not Available

5-6

1.8 Chemical Composition

(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

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

Poldervaartite and Pumpellyite Chemical Formula

While comparing Poldervaartite 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 Poldervaartite and Pumpellyite chemical formula.

Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)
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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Poldervaartite and Pumpellyite Specific Gravity

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