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Spinel
Spinel

Andesine
Andesine



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Spinel
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Andesine

Spinel and Andesine Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
none
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.64-3.662.65-2.69
Amber
1 7.18
1.5 Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)
1.6 Cleavage
None, but may exhibit slight parting
Perfect on {001}, good on {010}
1.7 Mohs Hardness
86-6.5
Amber
2 10
1.8 Chemical Composition
MgAl2O4
(Na,Ca)Al1-2Si3-2O8

Spinel and Andesine Chemical Formula

While comparing Spinel and Andesine 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 Andesine chemical formula.

  • Chemical formula of Spinel- MgAl2O4
  • Chemical formula of Andesine- (Na,Ca)Al1-2Si3-2O8

Spinel and Andesine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spinel and Andesine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spinel and Andesine Optical Properties during the identification of gemstone. Specific gravity of Spinel is 2.65-2.69 whereas that of Andesine is 2.65-2.69.