OttawaRocks:
Tourmaline, rubellite-rossmanite specimens at the Tanco Mine, Manitoba, Canada
OttawaRocks:
Tantalite ore sample at the Tanco Mine, Manitoba, Canada
OttawaRocks:
Underground at the Tanco pegmatite mine, Manitoba
OttawaRocks:
Underground at Tanco (6)
OttawaRocks:
Underground at Tanco (19)
OttawaRocks:
Underground at Tanco (21)