Reports STAR’s dedicated search for strangelets produced in Au+Au collisions at RHIC top energy using Zero-Degree-Calorimeter shower-maximum detectors and charge/mass-ratio identification; no strangelet candidates found, yielding production-rate upper limits. relevance_note: direct null-result collider search bounding strangelet production at heavy-ion collision energies comparable to those probed in the LHC safety debate.