Tags: Chemical Substance, Mineral.
Cleusonite is a member of the crichtonite group of minerals with a chemical formula of (PbSr)(U4+U6+)(Fe2+Zn)(TiFe2+Fe3+)18(OOH)38. This group of minerals contains approximately thirteen complex metal titanates. The structures of minerals of this group is complicated by frequent fine-scale twinning and metamictization due to radioactive elements.