Hydrocerussite from
Torr Works Quarry, Cranmore, Mendip, Somerset, England, UK
| Locality type: | Quarry | |
| Classification | ||
|---|---|---|
| Species: | Hydrocerussite | |
| Formula: | Pb3(CO3)2(OH)2 | |
| Comments: | Hydrocerussite is associated with cerussite in the manganese pods; crystals of hydrocerussite coated with cerussite or calcite are not uncommon. Large crystal masses are often found just outside the manganese pod in the altered limestone wallrock, as pCO2 needs to be high for hydrocerussite to form. 'Hydrocerussite' has recently been found to be a mixture of at least three, possibly four different phases (see Turner and Rumsey 2010). Two of these predominate in the Mendips. These various phases need further investigation, and proper characterisation. | |
| Habit: | pseudo-hexagonal xls and plates, often stacked into 'worms' | |
| Colour: | pearly white, pale green | |
| Luminescent properties: | none | |
| Quality for species: | Excellent - world class for species or very significant. (!!) | |
| Abundance at site: | Rare | |
| Confirmation | ||
| Validity: | Believed Valid | |
| Associated Minerals Based on Photo Data: | ||
| Calcite | 14 | |
| Somersetite | 7 | |
| Cerussite | 7 | |
| Goethite | 6 | |
| Mimetite | 5 | |
| Mendipite | 4 | |
| Symesite | 3 | |
| Rickturnerite | 2 | |
| Manganite | 2 | |
| Plumbonacrite | 2 | |
| Mereheadite | 2 | |
| Chloroxiphite | 2 | |
| Malachite | 2 | |
| Diaboleite | 2 | |
| Paralaurionite | 2 | |
| Crednerite | 2 | |
| Aragonite | 1 | |
| Manganese Oxides | 1 | |
| Rumseyite | 1 | |
| Cryptomelane | 1 | |
| Data | ||
| Mineral Data: | Click here to view Hydrocerussite data | |
| Locality Data: | Click here to view Torr Works Quarry, Cranmore, Mendip, Somerset, England, UK | |
| Photo Gallery | View Gallery (13 photos) | |
| Data Identifiers | ||
| Mindat Occurrence Record ID: | 6350 | |
| Long-form Identifier: | 1:3:6350:0 | |
| GUID (UUID V4): | 0 | |
| Nearest other occurrences of Hydrocerussite | ||
| 3.2km (2.0 miles) | ⓘColemans Quarry, Nunney, Mendip, Somerset, England, UK | |
| 16.6km (10.3 miles) | ⓘHigher Pitts Mine, Priddy, Mendip, Somerset, England, UK | |
| 25.5km (15.9 miles) | ⓘBatts Coombe Quarry, Cheddar, Sedgemoor, Somerset, England, UK | |
| 35.8km (22.2 miles) | ⓘWesley Mine, Westbury on Trym, Bristol, England, UK | |
| References | ||
Alabaster, C. J. (1977) An occurrence of brucite at Merehead Quarry, Cranmore, Somerset. Mineralogical Magazine, 41 (319) 406-408 doi:10.1180/minmag.1977.041.319.20 Symes, R. F. (1977) Datolite and apophyllite from the Mendips. Mineralogical Magazine, 41 (319) 410-411 doi:10.1180/minmag.1977.041.319.22 | ||
Torr Works Quarry, Cranmore, Mendip, Somerset, England, UK