20TLB66: Group of Mimetite crystals in arborescent growths which are more marked in the more yellowish crystals and less developed in the paler yellowish crystals. The crystals are lustrous, with a uniform color, and the most aerial ones have acute pyramidal endings. Comes from the well-known Ojuela mine in Mexico, which has been exploited for more than 350 years for silver, lead and zinc.
Ojuela Mine, Mapimí, Municipio Mapimí, Durango  Mexico

Specimen size: 6.6 × 3.8 × 2.2 cm = 2.60” × 1.50” × 0.87”