(TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
| USA | | |
| Van Leuven, E. P. (1945) What's in a name: The Mineralogist, v. 13, no. 4, p. 123-127. Lexicon of gems. |
|