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Fuchsite
Fuchsite

Poudretteite
Poudretteite



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Fuchsite
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Poudretteite

Fuchsite and Poudretteite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.77-2.88
2.51-2.53
1.5 Fracture
Uneven
Conchoidal, Splintery
1.6 Cleavage
Perfect basal
None
1.7 Mohs Hardness
2.5
5
1.8 Chemical Composition
K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)
KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)

Fuchsite and Poudretteite Chemical Formula

While comparing Fuchsite and Poudretteite 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 Fuchsite and Poudretteite chemical formula.

  • Chemical formula of Fuchsite- K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)
  • Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)

Fuchsite and Poudretteite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fuchsite and Poudretteite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fuchsite and Poudretteite Optical Properties during the identification of gemstone. Specific gravity of Fuchsite is 2.51-2.53 whereas that of Poudretteite is 2.51-2.53.