Dravite from selected localities.
USA | |
| The Minerals of New York City & Its Environs, New York Mineralogical Club Bull., Vol. 3, No. 1, Manchester, J.G. (1931): 26. |
| The Minerals of New York City & Its Environs, New York Mineralogical Club Bull., Vol. 3, No. 1, Manchester, J.G. (1931): 26-27 & Plates 30 & 31. |
Inwood Valley, Manhattan, New York City, New York, USA