1. A negative immunofluorescence test is identified for any sample where morphologically typical fluorescing cells are not found.

2. Albite, Albite (Var: Cleavelandite), Microcline Fillow Quarry, Branchville, Redding, Fairfield County, Connecticut, USA Unusual association of reddish fluorescing Albite overgrowth on pale blue fluorescing microcline (partly etched) resulting in a lavender color, on cleavelandite crystals (reddish-magenta fluorescence), shown under SW UV

3. Investigations of semolina cultures of 60 penicillia molds showed in 23 cases fluorescing substances that had the appearance of aflatoxins in chromatography.