| Classification |
|---|
|
| Species: | Opal |
| Formula: | SiO2 · nH2O |
| Comments: | Described as opale by A. Ziserman (1964). such material turned to be allophane PXRD (analysed on philips PW3830 diffractometer by Michel Blondieau) |
| Confirmation |
|---|
|
| Validity: | Erroneously Reported |
| Data |
|---|
|
| Mineral Data: | Click here to view Opal data |
| Locality Data: | Click here to view Valcroze, Alzon, Le Vigan, Gard, Occitanie, France |
| Data Identifiers |
|---|
|
| Mindat Occurrence Record ID: | 886957 |
| Long-form Identifier: | 1:3:886957:9 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Opal |
|---|
|
|
| 31.0km (19.2 miles) | ⓘRiviéral, Le Bosc, Lodève, Hérault, Occitanie, France |
| 32.5km (20.2 miles) | ⓘRabejac Est, Le Puech, Lodève, Hérault, Occitanie, France |
| 34.2km (21.3 miles) | ⓘRoca Negra, Roquefort-sur-Soulzon, Millau, Aveyron, Occitanie, France |
| 81.8km (50.8 miles) | ⓘPhosphate occurrence, Fumade, Fontrieu, Castres, Tarn, Occitanie, France |
| 95.9km (59.6 miles) | ⓘLa Caravantié quarry, Peyrebrune, Montredon-Labessonnié, Castres, Tarn, Occitanie, France |
| 98.9km (61.4 miles) | ⓘLe Kaymar, Pruines, Rodez, Aveyron, Occitanie, France |
| References |
|---|
|
|
|
Valcroze, Alzon, Le Vigan, Gard, Occitanie, France