Wulfenite with Mimetite - San Juan Poniente Vein, Level 6, Ojuela Mine, Mapimi, Durango, Mexico
 
Bipyramidal wulfenites of intense brown-orange color. The highly lustrous, up to 13 mm long crystals are brownish at the base and become lighter towards the top.  Some greenish globular Mimetesite stands out nicely against the reddish matrix.