Apophyllite and Enstatite Physical Properties

Apophyllite

Enstatite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.30-2.503.20-3.25

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009)

Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Metallic

1.6 Cleavage

Perfect on (001)

Good/distinct on [210]

1.7 Mohs Hardness

4.5-55.5

2 10

1.8 Chemical Composition

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

Mg 2Si 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Apophyllite and Enstatite Chemical Formula

While comparing Apophyllite and Enstatite 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 Enstatite chemical formula.

Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
Chemical formula of Enstatite- Mg 2Si 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Apophyllite and Enstatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apophyllite and Enstatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apophyllite and Enstatite Optical Properties during the identification of gemstone. Specific gravity of Apophyllite is 3.20-3.25 whereas that of Enstatite is 3.20-3.25.