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Spinel
Spinel

Hemimorphite
Hemimorphite



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Spinel
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Hemimorphite

Spinel and Hemimorphite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
none
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.64-3.663.30-3.50
Amber
1 7.18
1.5 Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
1.6 Cleavage
None, but may exhibit slight parting
Perfect on {110}, poor on {101}, {001} rare
1.7 Mohs Hardness
85
Amber
2 10
1.8 Chemical Composition
MgAl2O4
Zn 4Si 2O 7(OH) 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Spinel and Hemimorphite Chemical Formula

While comparing Spinel 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 Spinel and Hemimorphite chemical formula.

  • Chemical formula of Spinel- MgAl2O4
  • Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Spinel and Hemimorphite Specific Gravity

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