Verdelite and Pietersite Physical Properties

Verdelite

Pietersite

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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

2.90-3.40Not Available

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Not Available

1.7 Mohs Hardness

7-7.55

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.

Not Available

Verdelite and Pietersite Chemical Formula

While comparing Verdelite and Pietersite 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 Pietersite 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.

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Verdelite and Pietersite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Verdelite and Pietersite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Verdelite and Pietersite Optical Properties during the identification of gemstone. Specific gravity of Verdelite is Not Available whereas that of Pietersite is Not Available.