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Povondraite
Povondraite

Riebeckite
Riebeckite



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Povondraite
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Riebeckite

Povondraite and Riebeckite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.263.28-3.44
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
Uneven, Splintery, Brittle
1.6 Cleavage
None
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
1.7 Mohs Hardness
Not Available5.0-6.0
Amber
2 10
1.8 Chemical Composition
NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)
Not Available

Povondraite and Riebeckite Chemical Formula

While comparing Povondraite and Riebeckite 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 Povondraite and Riebeckite chemical formula.

  • Chemical formula of Povondraite- NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)
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Povondraite and Riebeckite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Povondraite and Riebeckite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Povondraite and Riebeckite Optical Properties during the identification of gemstone. Specific gravity of Povondraite is 3.28-3.44 whereas that of Riebeckite is 3.28-3.44.