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Poudretteite
Poudretteite

Rhodochrosite
Rhodochrosite



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Poudretteite
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Rhodochrosite

Poudretteite and Rhodochrosite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.51-2.53
3.0-3.3
1.5 Fracture
Conchoidal, Splintery
Uneven, Conchoidal, Conchoidal to uneven, Brittle
1.6 Cleavage
None
On {10 1 1} perfect; parting on {10 1 2}
1.7 Mohs Hardness
5
3.5-4
1.8 Chemical Composition
KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)
MnCO3

Poudretteite and Rhodochrosite Chemical Formula

While comparing Poudretteite and Rhodochrosite 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 Poudretteite and Rhodochrosite chemical formula.

  • Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Rhodochrosite- MnCO3

Poudretteite and Rhodochrosite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Poudretteite and Rhodochrosite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poudretteite and Rhodochrosite Optical Properties during the identification of gemstone. Specific gravity of Poudretteite is 3.0-3.3 whereas that of Rhodochrosite is 3.0-3.3.