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Canada | |
| Robinson, George W., Van Velthuizen, Jerry, Ansell, H. Gary, Sturman, B. Darko (1992) Mineralogy of the Rapid Creek and Big Fish River Area, Yukon Territory. The Mineralogical Record, 23 (4) 1-47 |
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USA | |
| www.mindat.org (2004) https://www.mindat.org/min-1795.html SEM/EDS analyzed by Lloyd W. Alexander with help from A.Falster as part of ongoing Ryerson Hill pegmatite study. |
| Moore, Paul B. (1965) Hühnerkobelite crystals from the Palermo No. 1 Pegmatite, North Groton, New Hampshire. American Mineralogist, 50 (5-6) 713-717 |
Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA