Mineral: Manganite
Locality: Ilfeld, Nordhausen, Nordhausen District, Thuringia/Thüringen, Germany
Dimensions: 17,0 x 12,0 x 11,5 cm
Description: Main crystal size: 5,2 cm
Large, lustrous, striated black crystals exhibiting very little cleavage
MIM number 237
Photographer: Augustin de Valence (Ainu)
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