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Witherite
Witherite

Povondraite
Povondraite



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Witherite
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Povondraite

Witherite and Povondraite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
4.27-4.35
Conchoidal
{010} Distinct
3-3.5
BaCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
-
-
-
3.26
Uneven
None
-9999
NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)

Witherite and Povondraite Chemical Formula

While comparing Witherite and Povondraite 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 Witherite and Povondraite chemical formula.

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Witherite and Povondraite Specific Gravity

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