emeraldcityminerals:Pink rosettes of rhodochrosite (MnCO3) on black sphalerite var marmatite (ZnS).
emeraldcityminerals:Pink rosettes of rhodochrosite (MnCO3) on black sphalerite var marmatite (ZnS). From Eagle Mine, Gilman, Gilman District, Eagle Co., Colorado, USA. This mine closed in the 1970s and will never produce these specimens again. -- source link
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