Várzea de Trevões Mine, U.F S.J.da Pesqueira e Várzea de Trevões, São João da Pesqueira, Viseu, Portugal
Siderite. Size 8x4 cm. Photo and Collection Jacques-Yves Desescaut.
© JY. Desescaut
Deep brown sphalerite crystal with 6mm on quartz with chalcopyrite crystals.
© Pedro Alves
Linarite crystals <1mm.
Sphalerite crystal on quartz.
Composed (cube + octahedron) galena crystals up to 11mm.
Siderite crystals (up to 2mm)on quartz.
August 2006