Sweetwater Mine, USA - 6 x 4.3 x 4.1 cm
Locality: Sweetwater Mine, Ellington, Viburnum Trend District, Reynolds County, Missouri, USA
Dimensions: 6 x 4.3 x 4.1 cm

Description: Scheme at left fits the real crystal. Edges of termination meet steep rhombohedral face in his narrow side. foto © Rob Lavinsky