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Comments: Colorless crystal of shortite on matrix.
Location: Green River Formation, Sweetwater Co., Wyoming, USA.
Scale: Picture size 6 mm.
© Thomas Witzke / Abraxas-Verlag
Comments: Triangular shortite crystal in kerogenaceous dolomitic marlstone from the saline zone in the Green River Formation.
Location: Green River, Sweetwater Co., Wyoming, USA.
Scale: Crystal Size 2 mm.
© Tom Loomis / Dakota Matrix