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Hemimorphite
Hemimorphite

Umbalite
Umbalite



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Hemimorphite
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Umbalite

Hemimorphite and Umbalite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Soluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.30-3.503.62-4.33
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
Uneven, Uneven, ConchoidalGemdat.org, Management Team (2012)
1.6 Cleavage
Perfect on {110}, poor on {101}, {001} rare
Not Available
1.7 Mohs Hardness
57-7.5
Amber
2 10
1.8 Chemical Composition
Zn 4Si 2O 7(OH) 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)

Hemimorphite and Umbalite Chemical Formula

While comparing Hemimorphite and Umbalite 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 Umbalite 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 Umbalite- Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)

Hemimorphite and Umbalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hemimorphite and Umbalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hemimorphite and Umbalite Optical Properties during the identification of gemstone. Specific gravity of Hemimorphite is 3.62-4.33 whereas that of Umbalite is 3.62-4.33.