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Plumbogummite
Plumbogummite

Hemimorphite
Hemimorphite



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Plumbogummite
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Hemimorphite

Plumbogummite and Hemimorphite Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

Soluble
Soluble

Durability

-
-

Specific Gravity

4.0143.30-3.50
1 7.18
👆🏻

Fracture

Uneven, Conchoidal
Uneven, ConchoidalWalter Schumann, Conchoidal

Cleavage

None
Perfect on {110}, poor on {101}, {001} rare

Mohs Hardness

4-55
2 10
👆🏻

Chemical Composition

PbAl3(PO4)(SO4)(OH)6
Zn 4Si 2O 7(OH) 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Plumbogummite and Hemimorphite Chemical Formula

While comparing Plumbogummite and Hemimorphite 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 Hemimorphite chemical formula.

  • Chemical formula of Plumbogummite- PbAl3(PO4)(SO4)(OH)6
  • Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Plumbogummite and Hemimorphite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Plumbogummite and Hemimorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Plumbogummite and Hemimorphite Optical Properties during the identification of gemstone. Specific gravity of Plumbogummite is 3.30-3.50 whereas that of Hemimorphite is 3.30-3.50.