Magnesioferrite 3.57 ct

Magnesioferrite
3.57 ct
Triangle Cut 10.10 x 9.80 x 5.80 mm
Formula MgFe3+2O4
Also named Iron-Magnesia Spinel, Ceylonite or Pleonaste is an iron magnesium oxide Hardness
Langban Gruvan,
Langban,
Filipstad,
Värmland
Sweden.
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