Verdelite and Jadeite Physical Properties

Verdelite

Jadeite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.403.28-3.38

1 7.18

1.5 Fracture

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

Splintery, UnevenArthur Thomas, Difficult, Fibrous

1.6 Cleavage

Not Available

Good on [110]

1.7 Mohs Hardness

7-7.56.5-7

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.

NaAlSi 2O 6Ulrich Henn and Claudio C.

Verdelite and Jadeite Chemical Formula

While comparing Verdelite and Jadeite 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 Jadeite 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 Jadeite- NaAlSi 2O 6Ulrich Henn and Claudio C.

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Verdelite and Jadeite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Verdelite and Jadeite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Verdelite and Jadeite Optical Properties during the identification of gemstone. Specific gravity of Verdelite is 3.28-3.38 whereas that of Jadeite is 3.28-3.38.