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Comments: Reddish brown, crystalline aggregate of pyrostilpnite on matrix.
Location: St. Audreasberg, Hartz, Lower Saxony, Germany.
Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals
Comments: Deep bright-red, acicular crystals of pyrostilpnite to 1mm in vuggy sulfide matrix.
Location: Cerro Rico, Potosi City, Potosi Dept., Bolivia.
Scale: Picture size 5 mm.
© Tom Loomis / Dakota Matrix