Chalcedony from Lewis County, Washington, USA
USA | |
| [var. Agate] |
[var. Myrickite] Dake, H. C. (1956) Northwest Gem Trails - A Field Guide for the Gem Hunter, Mineral Collector and Tourist (2nd ed.) Gembooks. | |
| [var. Carnelian] |
USA | |
| [var. Agate] |
[var. Myrickite] Dake, H. C. (1956) Northwest Gem Trails - A Field Guide for the Gem Hunter, Mineral Collector and Tourist (2nd ed.) Gembooks. | |
| [var. Carnelian] |
Lucas Creek, Logan Hill, Lewis County, Washington, USA