Sillénite from North America Plate
Mexico | |
| Dakota Matrix specimen (Phillips collection) |
USA | |
| Schooner, Richard. (circa 1980s), Untitled manuscript on central Connecticut mineralogy. |
| USGS Prof Paper 798D |
Mexico | |
| Dakota Matrix specimen (Phillips collection) |
USA | |
| Schooner, Richard. (circa 1980s), Untitled manuscript on central Connecticut mineralogy. |
| USGS Prof Paper 798D |
Navojoa, Navojoa Municipality, Sonora, Mexico