Schalenblende from North America Plate
Canada | |
| Roedder (1968) GEOCHEMISTRY, MINERALOGY AND PETROLOGY • SOFIA Roedder, E. 1968. The noncolloidal origin of "colloform" textures in sphalerite ores. Economic Geology,63, 451-471 |
| Roger Lang specimen |
| Maggie Wilson |
USA | |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
| Ex Charles Noll collection |
| Philip Blumner collection |
| Philip Bluemner Collection |
| www.uwgb.edu (n.d.) http://www.uwgb.edu/luczajj/reprints/Luczaj2001TMB.pdf |
Pine Point, Northwest Territories, Canada