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Spinel
Spinel

Emerald
Emerald



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Spinel
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Emerald

Spinel and Emerald 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
3.64-3.662.67-2.78
Amber
1 7.18
1.5 Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
None, but may exhibit slight parting
Imperfect on the [0001]
1.7 Mohs Hardness
87.5-8
Amber
2 10
1.8 Chemical Composition
MgAl2O4
Be3Al2SiO6

Spinel and Emerald Chemical Formula

While comparing Spinel and Emerald 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 Emerald chemical formula.

  • Chemical formula of Spinel- MgAl2O4
  • Chemical formula of Emerald- Be3Al2SiO6

Spinel and Emerald Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spinel and Emerald Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spinel and Emerald Optical Properties during the identification of gemstone. Specific gravity of Spinel is 2.67-2.78 whereas that of Emerald is 2.67-2.78.