# azur-001 — Azurite, Morenci AZ

## Identity
- **Mineral:** Azurite
- **Location:** Morenci, AZ (Phelps Dodge / Freeport-McMoRan mine)
- **Price:** Listed on Borussia Minerals

## Capture
- **Device:** DSLR
- **Frames:** 51 (crystal-cropped session)
- **Background:** Dark matte — good
- **Coverage:** Multiple orbits, good registration

## Run History
| Date | Iters | Node | PLY | Size | Rating | Notes |
|------|-------|------|-----|------|--------|-------|
| 2026-03-09 | 7k | GUS | crystal-cropped-7k.ply | 87MB | — | First run, downscale 2 |
| 2026-03-17 | 15k | GUS | crystal-cropped-15k.ply | 79MB | — | Batch run, downscale 2 |
| 2026-03-17 | 20k | GUS | batch log only | — | — | Batch run, downscale 2 |
| 2026-03-18 | 100k | Mama | azurite-100k.ply | in progress | — | Full res, --cpu (MPS crash) |

## Best Run
- **Current best:** crystal-cropped-15k.ply (79MB)
- **Director confirmed:** Not yet
- **Camera:** [0, 0, 2] → [0, 0, 0] (default)

## Learnings
- Dark background essential — COLMAP registered 51/51
- 15k iters noticeably better than 7k — loss still dropping at 15k
- 100k run in progress — expect quality jump
- MPS crashes on M1 with this point cloud — always use --cpu on Mama