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Spinel
Spinel

Tanzanite
Tanzanite



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Spinel
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Spinel and Tanzanite Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
none
Not Available
1.3 Durability
Not Available
Hard
1.4 Specific Gravity
3.64-3.66
3.35
1.5 Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
None, but may exhibit slight parting
Perfect {010}, imperfect {100}
1.7 Mohs Hardness
8
6.5-7
1.8 Chemical Composition
MgAl2O4
Ca2Al3(SiO4)3(OH)

Spinel and Tanzanite Chemical Formula

While comparing Spinel and Tanzanite 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 Tanzanite chemical formula.

  • Chemical formula of Spinel- MgAl2O4
  • Chemical formula of Tanzanite- Ca2Al3(SiO4)3(OH)

Spinel and Tanzanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spinel and Tanzanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spinel and Tanzanite Optical Properties during the identification of gemstone. Specific gravity of Spinel is 3.35 whereas that of Tanzanite is 3.35.

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