Phlogopite from North Hamgyong Province, North Korea
North Korea | |
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| Kondo, C. (1969) Mica (in: Geology and Mineral resources of the Far East, vol. 2, pp 188-197 |
Kinosaki, Y. (1941) Jour. Min. Soc. Korea, 24, 10. | |
| Kinosaki, Y. (1940) Jour. Min. Soc. Korea, 23, 11. |