BGS mineralogy and petrology collection record
| Sample number | RC844/3 |
|---|---|
| Sample Donor | Not entered |
| Rock name | 'Original entry: Zinnwaldite' |
| Stratigraphy | Not entered |
| Comments | Crystals of zinnwaldite [K2(Li,Fe,Al)6(Si,Al)8O20(F,OH)4] with turquoise-green amazonstone (variant of microcline). |
| Locality details | Tordal |
| 50k map sheet | Not entered |
| Map reference | Not entered |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |