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Hemimorphite
Hemimorphite

Poudretteite
Poudretteite



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Hemimorphite
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Poudretteite

Hemimorphite and Poudretteite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Soluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.30-3.502.51-2.53
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
Conchoidal, Splintery
1.6 Cleavage
Perfect on {110}, poor on {101}, {001} rare
None
1.7 Mohs Hardness
55
Amber
2 10
1.8 Chemical Composition
Zn 4Si 2O 7(OH) 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)

Hemimorphite and Poudretteite Chemical Formula

While comparing Hemimorphite and Poudretteite 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 Hemimorphite and Poudretteite chemical formula.

  • Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)

Hemimorphite and Poudretteite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hemimorphite and Poudretteite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hemimorphite and Poudretteite Optical Properties during the identification of gemstone. Specific gravity of Hemimorphite is 2.51-2.53 whereas that of Poudretteite is 2.51-2.53.