Bechererite from
Frongoch Mine (Bron-y-Goch Mine; Llawynwnwch Mine), Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK
Locality type: | Mine | |
Classification | ||
---|---|---|
Species: | Bechererite | |
Formula: | Zn7Cu(OH)13[(SiO(OH)3(SO4)] | |
Comments: | Colourless to pale blue-green cone-like crystals to 0.8mm in druse crusts to 2cms (XRD). Associated with caledonite, susannite, cerussite, hydrocerussite, hemimorphite. Examples from this mine are the first in Britain (third in mid-Wales) and probably the best in the world. | |
Habit: | Prismatic inverted cone-like | |
Colour: | Colourless white, pale green, and blue | |
Quality for species: | Excellent - world class for species or very significant. (!!) | |
Abundance at site: | Rare | |
Confirmation | ||
Validity: | Confirmed | |
Confirmation Methods: | XRD | |
Analysis Reference: | University of Manchester, UK | |
Associated Minerals: | ||
Associates: | Brianyoungite Caledonite Cerussite Covellite Galena Hemimorphite Namuwite Susannite | |
Associated Minerals Based on Photo Data: | ||
Hydrocerussite | ⓘ5 photos of Bechererite associated with Hydrocerussite at this locality. | |
Hemimorphite | ⓘ5 photos of Bechererite associated with Hemimorphite at this locality. | |
Susannite | ⓘ3 photos of Bechererite associated with Susannite at this locality. | |
Cerussite | ⓘ2 photos of Bechererite associated with Cerussite at this locality. | |
Brianyoungite | ⓘ1 photo of Bechererite associated with Brianyoungite at this locality. | |
Namuwite | ⓘ1 photo of Bechererite associated with Namuwite at this locality. | |
Linarite | ⓘ1 photo of Bechererite associated with Linarite at this locality. | |
Data | ||
Mineral Data: | Click here to view Bechererite data | |
Locality Data: | Click here to view Frongoch Mine (Bron-y-Goch Mine; Llawynwnwch Mine), Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK | |
Photo Gallery | View Gallery (18 photos) | |
Data Identifiers | ||
Mindat Occurrence Record ID: | 38940 | |
Long-form Identifier: | 1:3:38940:2 | |
GUID (UUID V4): | 03a993de-43df-4d24-8570-57fb26cee9aa | |
Nearest other occurrences of Bechererite | ||
8.3km (5.2 miles) | ⓘBwlchrhennaid Mine (Level Newydd Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK | |
14.9km (9.2 miles) | ⓘEaglebrook Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK | |
16.9km (10.5 miles) | ⓘEsgair Hir & Esgair Fraith mines (Cambrian Mine; Cardigan Consolidated Mine; Welsh Potosi Mine; Kylon Potosi Mine), Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK | |
24.0km (14.9 miles) | ⓘDylife Mine (Pen Dylife Mine; Esgairgaled Mine; Llechwedd Ddu Mine; Blaen Twymyn Mine), Dylife, Machynlleth, Powys, Wales, UK | |
61.0km (37.9 miles) | ⓘLlangynog Mine, Llangynog, Powys, Wales, UK | |
References | ||
Frongoch Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK