| Description | Turquoise, Chlorargyrite, Alunite group phosphates from Silver Coin Mine, Iron Point Dist., Humboldt Co., NV |
|---|---|
| Field of View | 1.37 x 1.37 mm |
| Stacking | 149 frames at 5 µm. Depth of Field: 745 µm |
| Copyright | Copyright © 2019, Bruce J Kelley |
| Photographer | Bruce Kelley |