Apophyllite and Pearl Physical Properties

Apophyllite

Pearl

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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

2.30-2.50

2.60-2.85

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009)

Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

Perfect on (001)

none

1.7 Mohs Hardness

4.5-5

2.5-4.5

1.8 Chemical Composition

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

Not Available

Apophyllite and Pearl Chemical Formula

While comparing Apophyllite and Pearl 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 Pearl chemical formula.

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

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Apophyllite and Pearl Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apophyllite and Pearl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apophyllite and Pearl Optical Properties during the identification of gemstone. Specific gravity of Apophyllite is 2.60-2.85 whereas that of Pearl is 2.60-2.85.