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Comments: Opaque brown crystalline reddingite.
Location: Tip Top Quarry, Custer County, South Dakota, USA.
Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species
Comments: Brown crystals of reddingite on matrix.
Location: Boa Vista creek, Minas Gerais, Brazil.
Scale: Crystal size 1 mm.
© Sandro Maggia/Minernet.it
Comments: Golden brown to brown, highly lustrous, pseudo-octahedral crystals of reddinite.
Location: Cigana mine, Galileia, Minas Gerais, Brazil.
Scale: Crystal size 0.5 mm.
© Tom Loomis / Dakota Matrix