Mineral: Magnetite
Locality: Santa Bárbara open cut, San Guillermo Mining Group, Valuengo, Jerez de los Caballeros, Comarca Sierra Suroeste, Badajoz, Extremadura, Spain
Dimensions: 62mm x 51mm x 30mm

Description: Octahedral Magnetite crystals of 2/3mm length on black rock matrix. In memory of Juan Carlos Agua who gave me this specimen and who passed away too young perhaps two years ago.

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