Chalcedony from Alay Mountains, Asia
Kyrgyzstan | |
| Belousov, V.I. (2002): Lithology and Mineral Resources 37(3), 251-265. |
| Evseev, A. A. (1995) Kazaknstan and Middle Asia. A brief Mineralogical Guide. World of Stone 8:24-30 |
Kyrgyzstan | |
| Belousov, V.I. (2002): Lithology and Mineral Resources 37(3), 251-265. |
| Evseev, A. A. (1995) Kazaknstan and Middle Asia. A brief Mineralogical Guide. World of Stone 8:24-30 |