Modulated Phyllosilicates
-
Vermiculite Ore ALB5SA00 Palabora, S. Africa, US Dept of Interior
Swayze, Gregg
-
Vermiculite Ore GDS469 Libby, MT., US Dept of Interior
Swayze, Gregg
-
Vermiculite Ore, Zonalite #4, Enoroe, SC. U.S. Dept of Interior
Swayze, Gregg