Mineral: Laurentthomasite
Locality: Beravina, Ambaro, Tsaraitso, Betroka District, Anosy Region, Madagascar
Dimensions: 2 × 1.8 × 0.5 cm

Description: Visible dichroism, blue in the center and green-yellowish on the side. Photo: Joaquim Callén

All pictures, text, design © Forum FMF 2006-2024