Mineral: Chalcocite
Locality: St Ives Consols, St Ives, St Ives District, Cornwall, England / United Kingdom
Dimensions: 10,5 x 10,0 x 6,0 cm

Description: Main crystal size: 1,3 cm Block of complex pseudo-hexagonal crystals, black and partially brilliant MIM number 850 Photographer: Augustin de Valence (Aïnu)

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