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
Ystrad Einion Mine (Dolgoch Mine), Furnace, Ysgubor-y-coed, Ceredigion, Wales, UK


06448350017272034275222.jpg
Brochantite

Ystrad Einion Mine, Furnace, Ysgubor-y-coed, Ceredigion, Wales, UK
09800600017272020363313.jpg
Brochantite

Ystrad Einion Mine, Furnace, Ysgubor-y-coed, Ceredigion, Wales, UK
02909970017272020438008.jpg
Brochantite, etc.

Ystrad Einion Mine, Furnace, Ysgubor-y-coed, Ceredigion, Wales, UK
01552340017272020385738.jpg
Brochantite, etc.

Ystrad Einion Mine, Furnace, Ysgubor-y-coed, Ceredigion, Wales, UK
06448350017272034275222.jpg
Brochantite

Ystrad Einion Mine, Furnace, Ysgubor-y-coed, Ceredigion, Wales, UK
09800600017272020363313.jpg
Brochantite

Ystrad Einion Mine, Furnace, Ysgubor-y-coed, Ceredigion, Wales, UK
05946120017368031644237.jpg
Brochantite, etc.

Ystrad Einion Mine, Furnace, Ysgubor-y-coed, Ceredigion, Wales, UK
06057900017368031639722.jpg
Brochantite, etc.

Ystrad Einion Mine, Furnace, Ysgubor-y-coed, Ceredigion, Wales, UK
06448350017272034275222.jpg
Brochantite

Ystrad Einion Mine, Furnace, Ysgubor-y-coed, Ceredigion, Wales, UK
09800600017272020363313.jpg
Brochantite

Ystrad Einion Mine, Furnace, Ysgubor-y-coed, Ceredigion, Wales, UK
02909970017272020438008.jpg
Brochantite, etc.

Ystrad Einion Mine, Furnace, Ysgubor-y-coed, Ceredigion, Wales, UK
01552340017272020385738.jpg
Brochantite, etc.

Ystrad Einion Mine, Furnace, Ysgubor-y-coed, Ceredigion, Wales, UK
Locality type:Mine
Classification
Species:Brochantite
Formula:Cu4(SO4)(OH)6
Habit:Tabular-bladed
Colour:Emerald green
Abundance at site:Rare
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
Confirmation Details:Where Tested and Reference ID: University of Manchester
Associated Minerals Based on Photo Data:
Goethite7
Native Copper6
Anglesite6
Serpierite5
Hemimorphite3
Beaverite-(Cu)3
Malachite1
Quartz1
Cerussite1
Data
Mineral Data:Click here to view Brochantite data
Locality Data:Click here to view Ystrad Einion Mine (Dolgoch Mine), Furnace, Ysgubor-y-coed, Ceredigion, Wales, UK
Photo GalleryView Gallery (5 photos)
Data Identifiers
Mindat Occurrence Record ID:18730
Long-form Identifier:1:3:18730:9
GUID (UUID V4):0
Nearest other occurrences of Brochantite
3.7km (2.3 miles) ⓘEsgair Hir & Esgair Fraith mines (Cambrian Mine; Cardigan Consolidated Mine; Welsh Potosi Mine; Kylon Potosi Mine), Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
3.9km (2.4 miles) ⓘLodge Park Trial, Tre'r-ddol, Llangynfelyn, Ceredigion, Wales, UK
4.8km (3.0 miles) ⓘBrynarian Mine (Cardigan Bay Consols Mine), Tre-Taliesin, Llangynfelyn, Ceredigion, Wales, UK
5.5km (3.4 miles) ⓘEaglebrook Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
6.3km (3.9 miles) ⓘHenfwlch Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
7.1km (4.4 miles) ⓘBryn-yr-Afr Mine, Ponterwyd, Trefeirig, Ceredigion, Wales, UK
9.0km (5.6 miles) ⓘLletty Evanhen Mine (Vaughan Mine), Bontgoch, Trefeirig, Ceredigion, Wales, UK
9.2km (5.7 miles) ⓘLlechwedd Helyg Mine (Willow Bank Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
10.2km (6.3 miles) ⓘGwaith Yr Afon mine (West Cwmsymlog Mine; Cwm Daren Mine; River Mine; Taliesan Mine), Goginan, Trefeirig, Ceredigion, Wales, UK
10.8km (6.7 miles) ⓘCwmdaren Mine (Cwm Darren Mine; Lefel Gopor Mine; Copper Level Mine; Twll y Mwyn Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
References
Mason, J. S., Rust, S. A. (1997) The Mineralogy of Ystrad Einion Mine, Dyfed, Wales. UK Journal of Mines and Minerals 18, 33-36
 
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