Sonolite and Verdelite Physical Properties

Sonolite

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

3.82-4.002.90-3.40

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

{???} Indistinct

Not Available

1.7 Mohs Hardness

5.57-7.5

2 10

1.8 Chemical Composition

Mn2+9(SiO 4) 4(OH,F) 2Anthony et al , Handbook of mineralogy (2001)

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.

Sonolite and Verdelite Chemical Formula

While comparing Sonolite 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 Sonolite and Verdelite chemical formula.

Chemical formula of Sonolite- Mn2+9(SiO 4) 4(OH,F) 2Anthony et al , Handbook of mineralogy (2001)
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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Sonolite and Verdelite Specific Gravity

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