|
Spain | |
|
| Laura Palacios Pérez, Minerals i roques, Pòrtic Natura, 2003 |
|
| Joaquim Mollfulleda, Minerales, Omega, 1996 |
|
USA | |
|
| Minerals of Colorado (1997) E.B. Eckels |
|
| Johnson, 1960. Source Book for the Rock & Mineral Collector |
|
| |
|
| |
|
| |
|
| |
|
| The Minerals of New York City & Its Environs, New York Mineralogical Club Bull. Vol. 3, No. 1, Manchester, J.G. (1931): 83. |
|
| The Minerals of New York City & Its Environs, New York Mineralogical Club Bull. Vol. 3, No. 1, Manchester, J.G. (1931): 84. |
|
| Dake, Fleener & Wilson, 1938. Quartz Family Minerals |
|
| Miller, 1972. Minerals of Rhode Island. |
|
| Miller, 1971. RI Minerals & Their Locations |
|
| Miller, 1972. Minerals of Rhode Island. |