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Plumbogummite
Plumbogummite

Brazilianite
Brazilianite



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Plumbogummite
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Brazilianite

Plumbogummite and Brazilianite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
Soluble
-
4.014
Uneven, Conchoidal
None
4-5
PbAl3(PO4)(SO4)(OH)6
 
-
-
-
2.98-2.99
Conchoidal
(010) Distinct to good
5.5
NaAl 3(PO 4) 2(OH) 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Plumbogummite and Brazilianite Chemical Formula

While comparing Plumbogummite and Brazilianite 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 Brazilianite chemical formula.

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Plumbogummite and Brazilianite Specific Gravity

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