| Locality type: | Quarry |
| Classification |
|---|
|
| Species: | Boltwoodite |
| Formula: | (K,Na)(UO2)(SiO3OH) · 1.5H2O |
| Formation: | Secondary |
| Comments: | Minute earthy crusts in miarolitic cavities associated with uraninite, also with gummite crusts. |
| Habit: | Radial acicular groups to ~0.3mm across; also earthy, encrusting. |
| Colour: | Yellowish-brown to dull orange |
| Luminescent properties: | Reacts weakly under Long Wave UV, emitting a dull brownish colour. |
| Quality for species: | Poor for species, only of interest for locality collectors. (#) |
| Confirmation |
|---|
|
| Validity: | Believed Valid |
| Data |
|---|
|
| Mineral Data: | Click here to view Boltwoodite data |
| Locality Data: | Click here to view Foggintor Quarry, Princetown, Dartmoor Forest, West Devon, Devon, England, UK |
| Data Identifiers |
|---|
|
| Mindat Occurrence Record ID: | 1105771 |
| Long-form Identifier: | 1:3:1105771:2 |
| GUID (UUID V4): | b4643258-6cf5-4c3a-bd8c-e25f8a7d9eca |
| Nearest other occurrences of Boltwoodite |
|---|
|
|
| 66.5km (41.4 miles) | ⓘSouth Terras Mine (Resugga & Tolgarrick Mine; Union Mine; Uranium Mine), St Stephen-in-Brannel, Cornwall, England, UK |
| References |
|---|
|
|
