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Poudretteite
Poudretteite

Demantoid
Demantoid



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Poudretteite
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Demantoid

Poudretteite and Demantoid Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.51-2.533.77-3.95
Amber
1 7.18
1.5 Fracture
Conchoidal, Splintery
Not Available
1.6 Cleavage
None
Not Available
1.7 Mohs Hardness
56.5
Amber
2 10
1.8 Chemical Composition
KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)
Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

Poudretteite and Demantoid Chemical Formula

While comparing Poudretteite and Demantoid 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 Demantoid chemical formula.

  • Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Demantoid- Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

Poudretteite and Demantoid Specific Gravity

Another important criteria for qualitative analysis of gemstones is Poudretteite and Demantoid Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poudretteite and Demantoid Optical Properties during the identification of gemstone. Specific gravity of Poudretteite is 3.77-3.95 whereas that of Demantoid is 3.77-3.95.