Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Bornite from
Glasdir Mine, Brithdir and Llanfachreth, Gwynedd, Wales, UK


Locality type:Mine
Classification
Species:Bornite
Formula:Cu5FeS4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Bornite data
Locality Data:Click here to view Glasdir Mine, Brithdir and Llanfachreth, Gwynedd, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:18327
Long-form Identifier:1:3:18327:9
GUID (UUID V4):0
Nearest other occurrences of Bornite
4.1km (2.6 miles) ⓘMoel Ispri, Llanelltyd, Gwynedd, Wales, UK
5.1km (3.2 miles) ⓘCoed-y-Brenin deposit, Ganllwyd, Gwynedd, Wales, UK
9.2km (5.7 miles) ⓘBryn Castell Mine, Llanelltyd, Gwynedd, Wales, UK
30.6km (19.0 miles) ⓘCythfartha Mine, Penegoes, Powys, Wales, UK
30.9km (19.2 miles) ⓘPenycrocben, Penegoes, Powys, Wales, UK
31.2km (19.4 miles) ⓘDyfngwm mine, Penegoes, Powys, Wales, UK
31.5km (19.6 miles) ⓘCraig Rhiwarth Mine (Ochrycraig; North Llangynog), Llangynog, Powys, Wales, UK
31.9km (19.8 miles) ⓘPwll Roman Mine, Tre-Taliesin, Llangynfelyn, Ceredigion, Wales, UK
36.7km (22.8 miles) ⓘDrws-y-Coed Mine (Drwy-y-Coed Mine), Nantlle Vale, Llanllyfni, Gwynedd, Wales, UK
37.9km (23.5 miles) ⓘLlechwedd Helyg Mine (Willow Bank Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
References
Day, Harry (1999) BMS Database, British Micromount Society.
 
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