Moissanite and Apophyllite Physical Properties

Moissanite

Apophyllite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

none

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.17-3.24

2.30-2.50

1.5 Fracture

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

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

(0001) indistinct

Perfect on (001)

1.7 Mohs Hardness

9-9.5

4.5-5

1.8 Chemical Composition

SiCArthur Thomas , Gemstones (2009)

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

Moissanite and Apophyllite Chemical Formula

While comparing Moissanite 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 Moissanite and Apophyllite chemical formula.

Chemical formula of Moissanite- SiCArthur Thomas , Gemstones (2009)
Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

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Moissanite and Apophyllite Specific Gravity

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