Calcite from Onyx Cave (Cave Hill deposit), Greaterville Mining District, Santa Cruz County, Arizona, USA
USA | |
| [var. Limestone Onyx] Keith, Stanton B. (1975), Arizona Bureau of mines Bull. 191, Index of Mining Properties in Santa Cruz County Arizona: 55 USGS Mineral Resources (1913), Pt. 2: 1344. |
Onyx Cave, Greaterville Mining District, Santa Cruz County, Arizona, USA