Jeremejevite and Verdelite Physical Properties

Jeremejevite

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

3.28-3.312.90-3.40

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

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

1.6 Cleavage

None observed

Not Available

1.7 Mohs Hardness

6.5-7.57-7.5

2 10

1.8 Chemical Composition

Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.

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.

Jeremejevite and Verdelite Chemical Formula

While comparing Jeremejevite 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 Jeremejevite and Verdelite chemical formula.

Chemical formula of Jeremejevite- Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.
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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Jeremejevite and Verdelite Specific Gravity

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