Poldervaartite and Simpsonite Physical Properties

Poldervaartite

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

2.91Not Available

1 7.18

1.5 Fracture

Handbook of mineralogy (2001)

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

1.6 Cleavage

None

1.7 Mohs Hardness

Not Available7-7.5

2 10

1.8 Chemical Composition

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

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

Poldervaartite and Simpsonite Chemical Formula

While comparing Poldervaartite 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 Poldervaartite and Simpsonite chemical formula.

Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Simpsonite- Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

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Poldervaartite and Simpsonite Specific Gravity

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