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Russia | |
| [var. Labradorite] Ivanov, O. K. (1975): Pumpellyite from the Saranovsk chromite deposit at the Urals. Trudy Sverdlovskogo Gornogo Instituta im. V. V. Vakhrusheva 106, 146-148 (in Russian) |
| [var. Bytownite] Erokhin, Y. V., Koroteev, V. A., Khiller, V. V., Ivanov, K. S., & Kleimenov, D. A. (2018) The Severny Kolchim Meteorite: New Data on Mineralogy. In Doklady Earth Sciences (Vol. 482, No. 1, pp. 1189-1192). Pleiades Publishing. |