OttawaRocks:
Scolecite from Junnar, India
OttawaRocks:
Picture 058
OttawaRocks:
Picture 060
OttawaRocks:
Azurite from Bisbee, Arizona.
OttawaRocks:
Silver from the South Kearsage mine, Houghton Co., Michigan.
OttawaRocks:
Silver specimens from the Keeweenaw (2)
OttawaRocks:
Silver specimen from the Wolverine Mine, Keeweenaw (3)
OttawaRocks:
Silver specimens from the Keeweenaw (4)
OttawaRocks:
Copper included calcite crystals (1)
OttawaRocks:
Copper included calcite crystals (2)
OttawaRocks:
Copper specimens (22)
OttawaRocks:
Copper crystals Michigan
OttawaRocks:
Copper specimens (4)
OttawaRocks:
Copper specimens (6)
OttawaRocks:
Copper specimens (8)
OttawaRocks:
Copper specimens (9)
OttawaRocks:
Copper crystals, Quincy Mine, Michigan
OttawaRocks:
Copper specimens (12)
OttawaRocks:
Copper specimens (14)
OttawaRocks:
Copper specimens (15)
OttawaRocks:
Copper specimens (16)
OttawaRocks:
Copper specimens (18)
OttawaRocks:
Copper skulls
OttawaRocks:
Copper specimen, Keeweenaw peninsula, Michigan
OttawaRocks:
Copper specimens (21)
OttawaRocks:
Copper specimen (2)
OttawaRocks:
Copper specimen (3)
OttawaRocks:
Drill bit and drilled Copper specimen (4)
OttawaRocks:
Copper specimen from miners chiseling the ore
OttawaRocks:
Copper specimen (6)
