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Elbaite
Elbaite

Spinel
Spinel



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Elbaite
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Elbaite and Spinel Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
none
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.90-3.10
3.64-3.66
1.5 Fracture
Uneven, Conchoidal, Brittle, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
Poor/indistinct on {1120} and {1011}
None, but may exhibit slight parting
1.7 Mohs Hardness
7
8
1.8 Chemical Composition
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references
MgAl2O4

Elbaite and Spinel Chemical Formula

While comparing Elbaite 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 Elbaite and Spinel chemical formula.

  • Chemical formula of Elbaite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references
  • Chemical formula of Spinel- MgAl2O4

Elbaite and Spinel Specific Gravity

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