OttawaRocks:
Barite from Owanka SD at SD School of Mines museum
OttawaRocks:
Bismuth from Bolivia at SD School of Mines museum (24)
OttawaRocks:
Cerussite from Tsumeb at SD School of Mines museum (27)
OttawaRocks:
Fairburn agates at SD School of Mines museum
OttawaRocks:
Fairburn agates at SD School of Mines museum (40)
OttawaRocks:
Fluorite from Cave in Rock at SD School of Mines museum (31)
OttawaRocks:
Galena specimen from Galena, South Dakota, USA
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Hematites at South Dakota School of Mines museum (32)
OttawaRocks:
Homestake gold speciemen at South Dakota School of Mines museum
OttawaRocks:
Japanese law twinned quartz from Japan at SD School of Mines museum (9)
OttawaRocks:
Lepidolite from Buckfield Maine at SD School of Mines museum (11)
OttawaRocks:
Pyrite from Bingham at SD School of Mines museum (49)
OttawaRocks:
Rhodonite from Franklin at SD School of Mines museum (12)
OttawaRocks:
Selenite from South Dakota at SD School of Mines museum (20)
OttawaRocks:
South Dakota School of Mines museum (2)
OttawaRocks:
South Dakota School of Mines museum (13)
OttawaRocks:
South Dakota School of Mines museum (15)
OttawaRocks:
South Dakota School of Mines museum (16)
OttawaRocks:
South Dakota School of Mines museum (19)
OttawaRocks:
South Dakota School of Mines museum, Rapid City, SD
OttawaRocks:
Sulfur crystals from Sicily at the South Dakota School of Mines
OttawaRocks:
Cerussite from Tsumeb at the South Dakota School of Mines museum
OttawaRocks:
Dioptase from Tsumeb at the South Dakota School of Mines
OttawaRocks:
South Dakota School of Mines museum (48)
OttawaRocks:
Gold display at the South Dakota School of Mines
OttawaRocks:
Springwater pallasite meteorite at SD School of Mines