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Spinel
Spinel

Chrome-Chalcedony
Chrome-Chalcedony



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Spinel
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Chrome-Chalcedony

Spinel and Chrome-Chalcedony Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
none
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.64-3.662.55-2.70
Amber
1 7.18
1.5 Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
Not Available
1.6 Cleavage
None, but may exhibit slight parting
Not Available
1.7 Mohs Hardness
86.5-7
Amber
2 10
1.8 Chemical Composition
MgAl2O4
SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

Spinel and Chrome-Chalcedony Chemical Formula

While comparing Spinel and Chrome-Chalcedony 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 Chrome-Chalcedony chemical formula.

  • Chemical formula of Spinel- MgAl2O4
  • Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

Spinel and Chrome-Chalcedony Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spinel and Chrome-Chalcedony Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spinel and Chrome-Chalcedony Optical Properties during the identification of gemstone. Specific gravity of Spinel is 2.55-2.70 whereas that of Chrome-Chalcedony is 2.55-2.70.