Ramsdellite : Mn4+O2
6cm x 3.1cm x 2.4cm
Photo added to mindat.org
“Aggregate of short prismatic crystals on matrix.
The original label from Copper City Rock Shop, Globe, Arizona exactly says: Mistake Mine, Wickenburg, Yavapai Co., Arizona, EUA.”
Carles Curto Milà - 16th April 2010
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