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Poudretteite
Poudretteite

Glaucophane
Glaucophane



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Poudretteite
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Glaucophane

Poudretteite and Glaucophane Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.51-2.533-3.15
1 7.18
👆🏻

Fracture

Conchoidal, Splintery
Conchoidal

Cleavage

None
Good on [110] and on [001]

Mohs Hardness

56.0-6.5
2 10
👆🏻

Chemical Composition

KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)
[ ]Na2(Mg3Al2)Si8O22(OH)2

Poudretteite and Glaucophane Chemical Formula

While comparing Poudretteite and Glaucophane 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 Glaucophane chemical formula.

  • Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2

Poudretteite and Glaucophane Specific Gravity

Another important criteria for qualitative analysis of gemstones is Poudretteite and Glaucophane Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poudretteite and Glaucophane Optical Properties during the identification of gemstone. Specific gravity of Poudretteite is 3-3.15 whereas that of Glaucophane is 3-3.15.