Grayite from Ganderia Domain, North America Plate
USA | |
| Specimen in collection of Andrew Kruegel |
| Fred Davis - home.att.net/~fedavis/Main/Page_109.html |
| King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey. |
Havey #1 & #2 Quarries, Topsham, Sagadahoc County, Maine, USA