Chalcedony from
Japan | |
| Chishitsu Chousajo (1902) |
| [var. Agate] Masutomi Museum specimen (Kyoto) |
| Norimasa Shimobayashi, Masayuki Takada, Kenji Tsuruta, Ryosuke Tsuruta (2018) Quartz pseudomorph in an unusual crystal shape from the Nishi-meya district, Aomori Prefecture, Japan. in abstracts of the 22nd IMA Meeting Melbourne p 470 |