Lutsiro, Rutsiro District, Western Province, Rwanda

Hydrotungstite crystal, 1 mm, in ferberite matrix with cuprotungstite, from Lutsiro, Rwanda. Photo and collection: Roy Kristiansen

© Roy Kristiansen

Gemmy crystal of Cassiterite. Collection and photo: Arliguie M.

© ARLIGUIE M

Collection and photo: Arliguie M.

© ARLIGUIE M

Octeadral crystal of Cassiterite. Collection and photo: Arliguie M.