Diopside from
USA | |
| Dana 6: 1070. |
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| Gordon, Samuel G. (1922), Mineralogy of PA |
| Dana 6:362. |
| Gordon, S.G. (1922) The Mineralogy of Pennsylvania. 255 pp., Philadelphia. |
| King, Vandall T., 2002, Transparent Micro Staurolite Crystals from Trainer, Pennsylvania, 29th Rochester Mineralogical Symposium Program and Abstracts, p. 13. |
| A. Geyer, R. Smith III, J. Barnes (1976) Mineral collecting in Pennsylvania: 189-192 |