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Plumbogummite
Plumbogummite

Epidote
Epidote



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Plumbogummite
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Epidote

Plumbogummite and Epidote Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

Soluble
-

Durability

-
-

Specific Gravity

4.0143.25-3.50
1 7.18
👆🏻

Fracture

Uneven, Conchoidal
Conchoidal, Fibrous

Cleavage

None
{001} perfect and {100} imperfect

Mohs Hardness

4-56-7
2 10
👆🏻

Chemical Composition

PbAl3(PO4)(SO4)(OH)6
CaAl 2(Fe3+ ,Al)Si 3O 12(OH)Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Plumbogummite and Epidote Chemical Formula

While comparing Plumbogummite and Epidote 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 Epidote chemical formula.

  • Chemical formula of Plumbogummite- PbAl3(PO4)(SO4)(OH)6
  • Chemical formula of Epidote- CaAl 2(Fe3+ ,Al)Si 3O 12(OH)Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Plumbogummite and Epidote Specific Gravity

Another important criteria for qualitative analysis of gemstones is Plumbogummite and Epidote Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Plumbogummite and Epidote Optical Properties during the identification of gemstone. Specific gravity of Plumbogummite is 3.25-3.50 whereas that of Epidote is 3.25-3.50.