San Piero, Isola Elba, Livorno, Italy - A super bright cluster of cassiterite crystals ! From my personal collection. The cassiterites are undamaged and form a cluster of 0.4 cm wide ! Great shapes and unique crystals ! Very esthetic for the specied from thi locality. Overall size is 3.2x2.6x1.6 cm

San Antonio mine, Ciudad Viloco, Loayza Prov., Dept La Paz, Bolivia - Super bright perfectly terminated cassiterite crystal of 1x0.9 cm in size ! a smaller cassiterite is on a side of the rock. Great luster and color ! Gemmy ! The main cassiterite is twinned and sits on a carpet of waterclear quartz crystals. Great classic from Bolivia. Overall size is 5.5x5.5x3.5 cm

Viloco Mine, Loayza Province, La Paz  Department, Bolivia - Lustrous black large crystals of cassiterite covering the top of a 3.3 x 2.5 x 2.0 cm matrix. Micro-chipping present but very minimal, in good condition as seen. Nice example with large lustrous crystals for the species.

HUNAN PROV., CHINA - Real bright dark cassiterite crystals up to 1.5 cm are grouped so that to form a whole cluster. In total there are half a dozen crystals ! Real showy 3.5x2.5x2 cm rock.