Apophyllite and Simpsonite Physical Properties

Apophyllite

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

2.30-2.50Not Available

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

Perfect on (001)

None

1.7 Mohs Hardness

4.5-57-7.5

2 10

1.8 Chemical Composition

KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

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

Apophyllite and Simpsonite Chemical Formula

While comparing Apophyllite 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 Apophyllite and Simpsonite chemical formula.

Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
Chemical formula of Simpsonite- Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

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Apophyllite and Simpsonite Specific Gravity

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