Simpsonite and Painite Physical Properties

Simpsonite

Painite

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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

Not Available4.00-4.03

1 7.18

1.5 Fracture

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

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

None

Not Available

1.7 Mohs Hardness

7-7.57.5-8

2 10

1.8 Chemical Composition

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

CaZrBAl 9O 18Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Simpsonite and Painite Chemical Formula

While comparing Simpsonite and Painite 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 Simpsonite and Painite chemical formula.

Chemical formula of Simpsonite- Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.
Chemical formula of Painite- CaZrBAl 9O 18Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Simpsonite and Painite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Simpsonite and Painite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Simpsonite and Painite Optical Properties during the identification of gemstone. Specific gravity of Simpsonite is 4.00-4.03 whereas that of Painite is 4.00-4.03.