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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Brochantite from
Nant-y-Car Mine, Rhayader, Powys, Wales, UK


Locality type:Mine
Classification
Species:Brochantite
Formula:Cu4(SO4)(OH)6
Comments:Xls to 0.5mm
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Brochantite data
Locality Data:Click here to view Nant-y-Car Mine, Rhayader, Powys, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:39002
Long-form Identifier:1:3:39002:8
GUID (UUID V4):0
Nearest other occurrences of Brochantite
0.8km (0.5 miles) ⓘNant Paradwys, Rhayader, Powys, Wales, UK
1.1km (0.7 miles) ⓘDalrhiw, Rhayader, Powys, Wales, UK
1.2km (0.7 miles) ⓘRhiwnant Mine, Rhayader, Powys, Wales, UK
15.4km (9.6 miles) ⓘEsgair Mwyn Mine, Ysbyty Ystwyth, Ceredigion, Wales, UK
16.1km (10.0 miles) ⓘCwmystwyth Mine, Cwmystwyth, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK
16.8km (10.5 miles) ⓘGlogfawr Mine, Lisburne Lead and Silver Mines, Ysbyty Ystwyth, Ceredigion, Wales, UK
18.6km (11.6 miles) ⓘHendre Felen Mine (Hendre quarry), Ysbyty Ystwyth, Ceredigion, Wales, UK
21.2km (13.2 miles) ⓘFrongoch Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK
23.2km (14.4 miles) ⓘPenrhiw Mine (Penyberth Mine), Ystumtuen, Cwmrheidol, Ceredigion, Wales, UK
24.9km (15.4 miles) ⓘGeufron Mine, Llanidloes, Powys, Wales, UK
References
S. Rust collection
 
and/or  
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