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Mattheddleite from
Red Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
| Locality type: | Mine | |
| Classification | ||
|---|---|---|
| Species: | Mattheddleite | |
| Formula: | Pb5(SiO4)1.5(SO4)1.5(Cl,OH) | |
| Comments: | Cooper & Stanley (1990): "Identified on a surprising number of specimens collected recently from the No. 2 or 'Old Dutch' level dumps (D.R. Middleton, D.I. Green Collections det. BM(NH), Leicester Univ., Leeds Univ.: XRD)." | |
| Habit: | radiating sprays of minute (0.25-0.5mm) hexagonal crystals terminated by a sharp 'pencil point' or drusy crusts commonly associated with caledonite, leadhillite, susannite, lanarkite, anglesite and bindheimite. | |
| Colour: | colourless to white | |
| Confirmation | ||
| Validity: | Confirmed | |
| Confirmation Methods: | XRD | |
| Data | ||
| Mineral Data: | Click here to view Mattheddleite data | |
| Locality Data: | Click here to view Red Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK | |
| Photo Gallery | View Gallery (2 photos) | |
| Data Identifiers | ||
| Mindat Occurrence Record ID: | 7496 | |
| Long-form Identifier: | 1:3:7496:4 | |
| GUID (UUID V4): | 0 | |
| Nearest other occurrences of Mattheddleite | ||
| 0.6km (0.4 miles) | ⓘDry Smale Gill, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK | |
| 0.8km (0.5 miles) | ⓘRoughton Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK | |
| 0.9km (0.6 miles) | ⓘBrae Fell Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK | |
| 1.1km (0.7 miles) | ⓘThief Gills, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK | |
| 1.1km (0.7 miles) | ⓘHigher Roughton Gill (Balliway Rigg), Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK | |
| 2.1km (1.3 miles) | ⓘShort Grain, Deer Hills, Caldbeck, Allerdale, Cumbria, England, UK | |
| 71.8km (44.6 miles) | ⓘBollihope Smelt Mill slag locality, Stanhope, County Durham, England, UK | |
| 89.3km (55.5 miles) | ⓘHorners Vein (Jeffrey's Vein; Carse's Vein), Leadhills, South Lanarkshire, Scotland, UK | |
| 89.4km (55.6 miles) | ⓘScar Vein, Wanlock Dod, Leadhills, South Lanarkshire, Scotland, UK | |
| 89.5km (55.6 miles) | ⓘBelton Grain vein, Wanlock Dod-Whytes Cleuch, Wanlockhead, Dumfries and Galloway, Scotland, UK | |
| References | ||
Red Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK