Kunzite and Verdelite Physical Properties

Kunzite

Verdelite

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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

3.15-3.21

2.90-3.40

1.5 Fracture

Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)

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

1.6 Cleavage

1,2 prismatic

Not Available

1.7 Mohs Hardness

6-7

7-7.5

1.8 Chemical Composition

LiAlSi₂O₆

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.

Kunzite and Verdelite Chemical Formula

While comparing Kunzite and Verdelite 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 Kunzite and Verdelite chemical formula.

Chemical formula of Kunzite- LiAlSi₂O₆
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.

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Kunzite and Verdelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kunzite and Verdelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kunzite and Verdelite Optical Properties during the identification of gemstone. Specific gravity of Kunzite is 2.90-3.40 whereas that of Verdelite is 2.90-3.40.