×

Neptunite
Neptunite
☒

Povondraite
Povondraite
☒



ADD ⊕
Compare
X
Neptunite
X
Povondraite

Neptunite and Povondraite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
3.19-3.23
Conchoidal
{110} good
5-6
KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael O’Donoghue , Gems, Sixth Edition (2006)
 
-
-
-
3.26
Uneven
None
-9999
NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)

Neptunite and Povondraite Chemical Formula

While comparing Neptunite 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 Neptunite and Povondraite chemical formula.

    >>

Neptunite and Povondraite Specific Gravity

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