Afghanite and Moissanite Physical Properties

Afghanite

Moissanite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

none

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.65

3.17-3.24

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle, Conchoidal, Brittle

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

1.6 Cleavage

Perfect {10 1 0}

(0001) indistinct

1.7 Mohs Hardness

5.5-6

9-9.5

1.8 Chemical Composition

(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

SiCArthur Thomas , Gemstones (2009)

Afghanite and Moissanite Chemical Formula

While comparing Afghanite and Moissanite 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 Afghanite and Moissanite chemical formula.

Chemical formula of Afghanite- (Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
Chemical formula of Moissanite- SiCArthur Thomas , Gemstones (2009)

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Afghanite and Moissanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Afghanite and Moissanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Afghanite and Moissanite Optical Properties during the identification of gemstone. Specific gravity of Afghanite is 3.17-3.24 whereas that of Moissanite is 3.17-3.24.