42274: Marcasite and Dolomite - $20 Central Stone Company Potosi Quarry, Washington County, Missouri Cabinet - 12.4 x 6.4 x 2.9 cm 188 grams Specimen status: Reserved Send an email with specimen number to order Abundant, well formed marcasite
crystals across a carpet of dull dolomite crystals, all on
matrix. Marcasite has a reputation to decompose; this
sample has no sulfurous or metallic odor, so it is judged
to be stable. Excellent condition.
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