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Poudretteite
Poudretteite

Plumbogummite
Plumbogummite



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Poudretteite
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Plumbogummite

Poudretteite and Plumbogummite Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

-
Soluble

Durability

-
-

Specific Gravity

2.51-2.534.014
1 7.18
👆🏻

Fracture

Conchoidal, Splintery
Uneven, Conchoidal

Cleavage

None
None

Mohs Hardness

54-5
2 10
👆🏻

Chemical Composition

KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)
PbAl3(PO4)(SO4)(OH)6

Poudretteite and Plumbogummite Chemical Formula

While comparing Poudretteite and Plumbogummite 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 Plumbogummite chemical formula.

  • Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Plumbogummite- PbAl3(PO4)(SO4)(OH)6

Poudretteite and Plumbogummite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Poudretteite and Plumbogummite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poudretteite and Plumbogummite Optical Properties during the identification of gemstone. Specific gravity of Poudretteite is 4.014 whereas that of Plumbogummite is 4.014.