Bournonite from Honshu Island, Japan
Japan | |
| Hirama, T. (2009) Suisyou, 20, 2-5. |
| Fluorite: The Collector's Choice. Extra Lapis English No. 9 |
| Kase, Katsuo, Kusachi, Isao, Kishi, Shigetomo (1993) Rucklidgeite solid-solution in the Yanahara Deposit, Japan. The Canadian Mineralogist, 31 (1) 99-104 |
| Harada, K., Sakamoto, O., Nakao, K., & Nagashima, K. (1970). Bournonite from Daikoku, Chichibu Mine, Saitama, Japan. Mineralogical Journal, 6(3), 186-188. |
| Alfredo Petrov specimen (originally via Minerals Unlimited, Berkeley, California) | |
| Harada, A., Maeda, T., Takano, T., Takano, T., Miyawaki, R., Matsubara S.: Arsenate minerals from the Koganezawa mine, Koshu, Yamanashi, Japan (https://www.jstage.jst.go.jp/article/jakoka/2007/0/2007_0_207/_pdf) |
| Mineralogical Journal Vol. 12 (1984) , No. 1 pp 6-14 |
Chichibu mining district, Nakatsugawa, Ohtaki-mura, Chichibu City, Saitama Prefecture, Japan