Nontronite from North Carolina, USA
USA | |
| Charles Palache,S.C Davidson,E.A Goranson,Aug- 1930,The Hiddenite Deposit in Alexander County,North Carolina,American Mineralogist,Vol.15, No.8 |
| Excalibur Mineral Corporation |
| King, Van (n.d.) Personal communcation. |
Anthony,J.W,Bideaux,R.A,Bladh,K.W,and Nichols,M.C,1994,Handbook of Mineralogy,Volume II,Silica and Silicates,pg. 586 |