Mimetite and Verdelite Physical Properties

Mimetite

Verdelite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

7.102.90-3.40

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

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

1.6 Cleavage

[10 1 1] Imperfect

Not Available

1.7 Mohs Hardness

3.57-7.5

2 10

1.8 Chemical Composition

Pb 5(AsO 4) 3ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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.

Mimetite and Verdelite Chemical Formula

While comparing Mimetite 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 Mimetite and Verdelite chemical formula.

Chemical formula of Mimetite- Pb 5(AsO 4) 3ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
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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Mimetite and Verdelite Specific Gravity

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