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Iddingsite
Iddingsite

Spinel
Spinel



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Iddingsite
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Spinel

Iddingsite 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
2.5-2.83.64-3.66
Amber
1 7.18
1.5 Fracture
Not Available
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
{???} Perfect
None, but may exhibit slight parting
1.7 Mohs Hardness
38
Amber
2 10
1.8 Chemical Composition
MgO.Fe2O3.3SiO2•4(H2O)
MgAl2O4

Iddingsite and Spinel Chemical Formula

While comparing Iddingsite 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 Iddingsite and Spinel chemical formula.

  • Chemical formula of Iddingsite- MgO.Fe2O3.3SiO2•4(H2O)
  • Chemical formula of Spinel- MgAl2O4

Iddingsite and Spinel Specific Gravity

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