The Mineral Identification Key Copper, Michigan, Seaman Museum specimen

 Minerals with a Botyroidal habit

Hematite,  2cm across, Wisconsin


Pyrolusite,  6cm across, Wisconsin


Malachite,  8cm across, Zaire


Quartz, variety agate,  3cm across, Texas


Minerals with a stalagtitic habit


Goethite,  4cm across, New Mexico


Rhodochrosite, 6cm tall, Argentina


Goethite, 10cm across, Wisconsin


Minerals with a reniform habit


Stibarsen,  4cm across, Mexico





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