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Nosean
Nosean

Verdelite
Verdelite



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Nosean
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Verdelite

Nosean and Verdelite Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.30-2.402.90-3.40
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
{110} Perfect
Not Available
1.7 Mohs Hardness
Not Available7-7.5
Amber
2 10
1.8 Chemical Composition
Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony 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.

Nosean and Verdelite Chemical Formula

While comparing Nosean 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 Nosean and Verdelite chemical formula.

  • Chemical formula of Nosean- Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony 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.

Nosean and Verdelite Specific Gravity

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