Apophyllite and Painite Physical Properties

Apophyllite

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

2.30-2.504.00-4.03

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

Perfect on (001)

Not Available

1.7 Mohs Hardness

4.5-57.5-8

2 10

1.8 Chemical Composition

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

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

Apophyllite and Painite Chemical Formula

While comparing Apophyllite 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 Apophyllite and Painite chemical formula.

Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
Chemical formula of Painite- CaZrBAl 9O 18Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Apophyllite and Painite Specific Gravity

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