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Unusual irregular galena crystals and whiskers were found in close proximity in some druse cavities from the Gradishtc hydrothcrmal lead-zinc deposit in the Madan ore district, Bulgaria. The following crystal forms were observed: (1) straight thin  whiskers and thicker needles; (2) kinked whiskers; (3) curvilinear whiskers; (4) complex tortuous whiskers composed of segments with varying directions—, , , (5) thicker irregular elongated crystals. Combinations of these formsdoi:10.1180/minmag.1993.057.387.05 fatcat:clvbpqulvvejpdube5ueqlvf7a