Verdelite and Aquamarine Physical Properties

Verdelite

Aquamarine

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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

2.90-3.402.66-2.80

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Not Available

3,1 basal

1.7 Mohs Hardness

7-7.57.5-8

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.

Be₃Al₂SiO₆

Verdelite and Aquamarine Chemical Formula

While comparing Verdelite and Aquamarine 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 Aquamarine 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 Aquamarine- Be₃Al₂SiO₆

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Verdelite and Aquamarine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Verdelite and Aquamarine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Verdelite and Aquamarine Optical Properties during the identification of gemstone. Specific gravity of Verdelite is 2.66-2.80 whereas that of Aquamarine is 2.66-2.80.