Mineral: Pyrite
Locality: Gavorrano Mine, Gavorrano, Grosseto Province, Tuscany, Italy
Dimensions: 113 x 92 mm

Description: All the dodecahedral faces modifying the cube are jagged: - sometimes the growth facets are sub-parallel to the dodecahedral modification; - other times they are parallel to the diploid. In this case we are in the presence of a modification of the modification..! On the cube corners there are: - octahedral modifications, with indented surface; - diploidal modifications, with smooth surface.

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