|
Cambodia | |
|
| [Opal-A var. Opal-AN] Economic and Social Commission for Asia and the Pacific (1993) Atlas of Mineral Resources for the Escap Region Cambodia Vol 10 UN. |
|
| [Opal-A var. Opal-AN] Economic and Social Commission for Asia and the Pacific (1993) Atlas of Mineral Resources for the Escap Region Cambodia Vol 10 UN. |
|
| Piilonen, P., Lykova, I., Poirier, G., Rowe, R., Bainbridge, M., Shepherd, K. & Ly., S. (2022): The mineralogy of the gem-bearing pegmatites and hydrothermal veins at Phnom Bayong, Kirivong, Takeo province, Cambodia. Rocks & Minerals. (submitted). |
|
China | |
|
| Zhang, Yu, Kefu Yu, and Handong Qian. (2018) "LA-ICP-MS Analysis of Clinopyroxenes in Basaltic Pyroclastic Rocks from the Xisha Islands, Northwestern South China Sea" Minerals 8, no. 12: 575. https://doi.org/10.3390/min8120575 |
|
Indonesia | |
|
| [Opal-A var. Opal-AN] Rod Martin personal collection |
|
| [var. Precious Opal] Sun, T. T., Mok, P. C., Paul, S. L., Paramita, M., Arps, C. E., Atichat, W., ... & Wijaya, K. (2008). Precious Opal from Java (Gemmological properties, micro-and nano-structures) Date: 10-05-2008.
Extra Lapis - English No. 10 Opal |
- Rejang Lebong District (Rediang Lebong District)
| Barton, M. D., Kieft, C., Burke, E. A. J., Oen, I. S. (1978) Uytenbogaardtite, a new silver-gold sulfide. The Canadian Mineralogist, 16 (4) 651-657 |
|
| Lowenstern, J. B., van Hinsberg, V., Berlo, K., Liesegang, M., Iacovino, K., Bindeman, I. N., & Wright, H. M. (2018). Opal-A in glassy pumice, acid alteration, and the 1817 phreatomagmatic eruption at Kawah Ijen (Java), Indonesia. Frontiers in Earth Science, 6, 11. |
|
| [var. Opal-CT] Mazot, A., Bernard, A., Sutawidjaja, I.S. (2007) Hydrothermal system of the Papandayan Volcano, West Java, Indonesia and its geochemistry evolution of thermal water after the November 2002 eruption. Jurnal Geologi Indonesia, 2:1, 15-29. |
|
Malaysia | |
|
| Yajima, S. (1960). Metacinnabar from Sarawak and Japan, with Reference to Its Stability Relations to Cinnabar. Mineralogical Journal, 3(1), 9-18. |
|
| Bridge, P.J., Robinson, B.W. (1983) Niahite - a new mineral from Malaysia. Mineralogical Magazine: 47: 79-80. |
|
Thailand | |
- Nakhon Ratchasima Province
- Nakhon Ratchasima District
| [var. Opal-Agate] C. Lemanski, Jr. (visited, collected & photographed). |
|
Vietnam | |
|
| "Mario Lazzerini Denchi" Collection |
|
| "Mario Lazzerini Denchi" Collection |
Batur Volcano, Bangli Regency, Bali Province, Indonesia