MH26M9: Group of cubic crystals of Galena, some of them flattened and have a tabular aspect. They have the vertices truncated by the triangular faces of the octahedron. On the lower side there is a small, very well defined, crystal of Sphalerite which color is honey yellow.
A photograph of this specimen is on the page 207 of the book "Earth Science" (4th edition) published by BJU.
Madan mining area, Rhodope Mountains, Smolyan Oblast  Bulgaria (2002)

Specimen size: 3.3 × 2.2 × 3.1 cm = 1.30” × 0.87” × 1.22”