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Mineralogy (Da10740), Pyrite
Mineralogy (Db1565), Goethite, Limonite, Hematite, Quartz
Mineralogy (Db6728), Quartz arrowhead
Mineralogy (Da8255), Agate geode
Mineralogy (Da8258), Agate geode
Mineralogy (Db7561), Red ochre
1 to 40 of 13190