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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Ullmannite from
Glogfawr Mine, Lisburne Lead and Silver Mines, Ysbyty Ystwyth, Ceredigion, Wales, UK


Locality type:Mine
Classification
Species:Ullmannite
Formula:NiSbS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Ullmannite data
Locality Data:Click here to view Glogfawr Mine, Lisburne Lead and Silver Mines, Ysbyty Ystwyth, Ceredigion, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:18338
Long-form Identifier:1:3:18338:5
GUID (UUID V4):0
Nearest other occurrences of Ullmannite
2.7km (1.7 miles) ⓘHendre Felen Mine (Hendre quarry), Ysbyty Ystwyth, Ceredigion, Wales, UK
3.8km (2.4 miles) ⓘGrogwinion Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK
4.1km (2.6 miles) ⓘGwaithgoch Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK
4.6km (2.9 miles) ⓘFrongoch Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK
12.9km (8.0 miles) ⓘGoginan Mine, Goginan, Melindwr, Ceredigion, Wales, UK
17.5km (10.9 miles) ⓘMynydd Gorddu Mine, Bontgoch (Elerch), Ceulanymaesmawr, Ceredigion, Wales, UK
17.7km (11.0 miles) ⓘBwlch Glas Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
20.8km (12.9 miles) ⓘEsgair Hir & Esgair Fraith mines (Cambrian Mine; Cardigan Consolidated Mine; Welsh Potosi Mine; Kylon Potosi Mine), Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
22.7km (14.1 miles) ⓘDolclettwr Mine (Treddol Mine), Tre'r-ddol, Llangynfelyn, Ceredigion, Wales, UK
References
Day, Harry (1999) BMS Database, British Micromount Society.
 
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