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Humite
Humite

Spinel
Spinel



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Humite
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Spinel

Humite and Spinel Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
none
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.20-3.323.64-3.66
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
Poor
None, but may exhibit slight parting
1.7 Mohs Hardness
6-6.58
Amber
2 10
1.8 Chemical Composition
(Mg,Fe2+ ) 7(SiO 4) 3(F,OH) 2Anthony et al , Handbook of mineralogy (2001)
MgAl2O4

Humite and Spinel Chemical Formula

While comparing Humite and Spinel 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 Humite and Spinel chemical formula.

  • Chemical formula of Humite- (Mg,Fe2+ ) 7(SiO 4) 3(F,OH) 2Anthony et al , Handbook of mineralogy (2001)
  • Chemical formula of Spinel- MgAl2O4

Humite and Spinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Humite and Spinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Humite and Spinel Optical Properties during the identification of gemstone. Specific gravity of Humite is 3.64-3.66 whereas that of Spinel is 3.64-3.66.