OttawaRocks:
Calcite, Malmberget, Sweden on display at Tucson 2020
OttawaRocks:
Natural Gold wire known as the Ram's Horn, 4 inches, Groundhog Mine Colorado, Harvard collection
OttawaRocks:
"Happy Feet" natural, cut and polished azurite and malachite specimens, Liufengshan Mine, China_R Lavinsky
OttawaRocks:
Morganite on Tourmaline, Tourmaline Queen Mine, California