Verdelite and Moissanite Physical Properties

Verdelite

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

2.90-3.403.17-3.24

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

Not Available

(0001) indistinct

1.7 Mohs Hardness

7-7.59-9.5

2 10

1.8 Chemical Composition

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

SiCArthur Thomas , Gemstones (2009)

Verdelite and Moissanite Chemical Formula

While comparing Verdelite 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 Verdelite and Moissanite chemical formula.

Chemical formula of Verdelite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
Chemical formula of Moissanite- SiCArthur Thomas , Gemstones (2009)

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Verdelite and Moissanite Specific Gravity

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