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
Lletty Evanhen Mine (Vaughan Mine), Bontgoch, Trefeirig, Ceredigion, Wales, UK


00305890017369250058422.jpg
Brochantite, etc.

Lletty Evanhen Mine, Bontgoch, Trefeirig, Ceredigion, Wales, UK
00305890017369250058422.jpg
Brochantite, etc.

Lletty Evanhen Mine, Bontgoch, Trefeirig, Ceredigion, Wales, UK
09658900017369250055143.jpg
Brochantite, etc.

Lletty Evanhen Mine, Bontgoch, Trefeirig, Ceredigion, Wales, UK
Locality type:Mine
Classification
Species:Brochantite
Formula:Cu4(SO4)(OH)6
Comments:Emerald green xls to 0.5mm, and small crusts to a few mm's. Associated with langite, anglesite, linarite.
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Associated Minerals:
Associates:Chalcopyrite
Cuprite
Langite
Linarite
Redgillite
Associated Minerals Based on Photo Data:
Chalcopyrite5
Quartz5
Connellite3
Chalcocite3
Langite3
Linarite2
Hemimorphite1
Cuprite1
Data
Mineral Data:Click here to view Brochantite data
Locality Data:Click here to view Lletty Evanhen Mine (Vaughan Mine), Bontgoch, Trefeirig, Ceredigion, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:39049
Long-form Identifier:1:3:39049:9
GUID (UUID V4):0
Nearest other occurrences of Brochantite
1.0km (0.6 miles) ⓘLlechwedd Helyg Mine (Willow Bank Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
1.3km (0.8 miles) ⓘGwaith Yr Afon mine (West Cwmsymlog Mine; Cwm Daren Mine; River Mine; Taliesan Mine), Goginan, Trefeirig, Ceredigion, Wales, UK
2.1km (1.3 miles) ⓘCwmdaren Mine (Cwm Darren Mine; Lefel Gopor Mine; Copper Level Mine; Twll y Mwyn Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
2.4km (1.5 miles) ⓘDaren Mine (Old Daren Mine; Darren Consolidated Mine; Daren United Mine; Great Darren Mine; Darren Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
2.7km (1.7 miles) ⓘBwlchrhennaid Mine (Level Newydd Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
5.5km (3.4 miles) ⓘHenfwlch Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
5.9km (3.7 miles) ⓘBryn-yr-Afr Mine, Ponterwyd, Trefeirig, Ceredigion, Wales, UK
6.0km (3.8 miles) ⓘEaglebrook Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
7.2km (4.5 miles) ⓘBrynarian Mine (Cardigan Bay Consols Mine), Tre-Taliesin, Llangynfelyn, Ceredigion, Wales, UK
7.5km (4.7 miles) ⓘEsgair Hir & Esgair Fraith mines (Cambrian Mine; Cardigan Consolidated Mine; Welsh Potosi Mine; Kylon Potosi Mine), Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
References
S. Rust collection
 
and/or  
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