Edenite and Apophyllite Physical Properties

Edenite

Apophyllite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.05-3.37

2.30-2.50

1.5 Fracture

Conchoidal, Brittle, Conchoidal

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

Good on (110)

Perfect on (001)

1.7 Mohs Hardness

5-6

4.5-5

1.8 Chemical Composition

NaCa2Mg5Si7AlO22(OH)2

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

Edenite and Apophyllite Chemical Formula

While comparing Edenite and Apophyllite 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 Edenite and Apophyllite chemical formula.

Chemical formula of Edenite- NaCa2Mg5Si7AlO22(OH)2
Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

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Edenite and Apophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Edenite and Apophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Edenite and Apophyllite Optical Properties during the identification of gemstone. Specific gravity of Edenite is 2.30-2.50 whereas that of Apophyllite is 2.30-2.50.