Pachnolite, Thomsenolite

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Pachnolite and thomsenolite are very rare halides and this old-time, very rich, and excellent specimen hails from the Type Locality for both species - the Cryolite Deposit, Ivigtut, Greenland. Vuggy, box-work areas of iron-stained pachnolite flank mounds white thomsenolite, a dimorph of pachnolite. This is an excellent, old-time and historical piece for these rare halide species and locality. Probably mined around 1900. Ex. Kessler and Dennis Mullane Collections.