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Povondraite
Povondraite

Hemimorphite
Hemimorphite



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Povondraite
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Hemimorphite

Povondraite and Hemimorphite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.263.30-3.50
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
1.6 Cleavage
None
Perfect on {110}, poor on {101}, {001} rare
1.7 Mohs Hardness
Not Available5
Amber
2 10
1.8 Chemical Composition
NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)
Zn 4Si 2O 7(OH) 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Povondraite and Hemimorphite Chemical Formula

While comparing Povondraite and Hemimorphite 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 Hemimorphite chemical formula.

  • Chemical formula of Povondraite- NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)
  • Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Povondraite and Hemimorphite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Povondraite and Hemimorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Povondraite and Hemimorphite Optical Properties during the identification of gemstone. Specific gravity of Povondraite is 3.30-3.50 whereas that of Hemimorphite is 3.30-3.50.