Ferro-actinolite-Tremolite Series from Amur Plate
Japan | |
| Petrov, Alfredo (n.d.) Personal Communication. |
South Korea | |
| Alvin E. Nieder (1982) Nephrite jade in the Republic of Korea. Lapidary Journal, March 1982, 2374-2380. |
Japan | |
| Petrov, Alfredo (n.d.) Personal Communication. |
South Korea | |
| Alvin E. Nieder (1982) Nephrite jade in the Republic of Korea. Lapidary Journal, March 1982, 2374-2380. |