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Diaspore
Diaspore

Verdelite
Verdelite



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Diaspore
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Verdelite

Diaspore and Verdelite Physical Properties

1 Physical Properties
1.1 Tenacity
Very brittle
Not Available
1.2 Solubility
insoluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.30-3.402.90-3.40
Amber
1 7.18
1.5 Fracture
Conchoidal, Brittle, Conchoidal
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
{010} perfect, {110} distinct, {100} in traces
Not Available
1.7 Mohs Hardness
6.5-77-7.5
Amber
2 10
1.8 Chemical Composition
AlO(OH)Walter Schumann , Gemstones of the world (2001) 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.

Diaspore and Verdelite Chemical Formula

While comparing Diaspore 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 Diaspore and Verdelite chemical formula.

  • Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) 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.

Diaspore and Verdelite Specific Gravity

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