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Plumbogummite
Plumbogummite

Taaffeite
Taaffeite



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Plumbogummite
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Taaffeite

Plumbogummite and Taaffeite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

Soluble
-

Durability

-
-

Specific Gravity

4.0143.60-3.61
1 7.18
👆🏻

Fracture

Uneven, Conchoidal
Conchoidal

Cleavage

None
Imperfect/fair/absent

Mohs Hardness

4-58-8.5
2 10
👆🏻

Chemical Composition

PbAl3(PO4)(SO4)(OH)6
Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references

Plumbogummite and Taaffeite Chemical Formula

While comparing Plumbogummite and Taaffeite 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 Plumbogummite and Taaffeite chemical formula.

  • Chemical formula of Plumbogummite- PbAl3(PO4)(SO4)(OH)6
  • Chemical formula of Taaffeite- Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references

Plumbogummite and Taaffeite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Plumbogummite and Taaffeite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Plumbogummite and Taaffeite Optical Properties during the identification of gemstone. Specific gravity of Plumbogummite is 3.60-3.61 whereas that of Taaffeite is 3.60-3.61.