Anorthite from selected localities.
USA | |
| [var: Labradorite] The Minerals of New York City & Its Environs, New York Mineralogical Club Bull., Vol. 3, No. 1, Manchester, J.G. (1931): 66. |
| Rocks & Min.: 20:469. |
USA | |
| [var: Labradorite] The Minerals of New York City & Its Environs, New York Mineralogical Club Bull., Vol. 3, No. 1, Manchester, J.G. (1931): 66. |
| Rocks & Min.: 20:469. |