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Plumbogummite
Plumbogummite

Dioptase
Dioptase



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Plumbogummite
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Dioptase

Plumbogummite and Dioptase Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

Soluble
Soluble

Durability

-
-

Specific Gravity

4.0143.25-3.35
1 7.18
👆🏻

Fracture

Uneven, Conchoidal
Conchoidal, ConchoidalWalter Schumann

Cleavage

None
Perfect in three directions

Mohs Hardness

4-55
2 10
👆🏻

Chemical Composition

PbAl3(PO4)(SO4)(OH)6
CuSiO 2(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Plumbogummite and Dioptase Chemical Formula

While comparing Plumbogummite and Dioptase 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 Dioptase chemical formula.

  • Chemical formula of Plumbogummite- PbAl3(PO4)(SO4)(OH)6
  • Chemical formula of Dioptase- CuSiO 2(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Plumbogummite and Dioptase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Plumbogummite and Dioptase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Plumbogummite and Dioptase Optical Properties during the identification of gemstone. Specific gravity of Plumbogummite is 3.25-3.35 whereas that of Dioptase is 3.25-3.35.