Povondraite and Simpsonite Physical Properties

Povondraite

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

3.26Not Available

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, 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

NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)

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

Povondraite and Simpsonite Chemical Formula

While comparing Povondraite 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 Povondraite and Simpsonite chemical formula.

Chemical formula of Povondraite- NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Simpsonite- Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

Compare Brown Gemstones

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Povondraite and Simpsonite Specific Gravity

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