Mineral: Stephanite
Locality: San Martín, San Martín-Sabinas District, Municipio Sombrerete, Zacatecas, Mexico
Dimensions: 9,0 x 6,0 x 5,5 cm
Description: Main crystal size: 1,0 cm
Aggregate of small, lustrous, black casks (barrels)
MIM number 912
Photographer: Augustin de Valence (Aďnu)
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