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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Pyromorphite from
Bwlch Glas Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK


07736590017864973798894.jpg
Pyromorphite, etc.

Bwlch Glas Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
08685190017272017015006.jpg
Pyromorphite

Bwlch Glas Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
04437360017272016992985.jpg
Pyromorphite, etc.

Bwlch Glas Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
06959350017272017009711.jpg
Pyromorphite

Bwlch Glas Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
07920500017364655672025.jpg
Pyromorphite, etc.

Bwlch Glas Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
02688210017364655687778.jpg
Pyromorphite

Bwlch Glas Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
05750120017364655688054.jpg
Pyromorphite, etc.

Bwlch Glas Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
06959350017272017009711.jpg
Pyromorphite

Bwlch Glas Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
06225740017272039249012.jpg
Pyromorphite, etc.

Bwlch Glas Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
08685190017272017015006.jpg
Pyromorphite

Bwlch Glas Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
09227280017272017034780.jpg
Pyromorphite, etc.

Bwlch Glas Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
06959350017272017009711.jpg
Pyromorphite

Bwlch Glas Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
Locality type:Mine
Classification
Species:Pyromorphite
Formula:Pb5(PO4)3Cl
Comments:Mostly grass green xls to 5mm, forming drusy crusts to several cms. Has been found as yellow to yellow-orange micro-crystals. Associated with cerussite, and wulfenite.
Habit:Prismatic, drusey.
Colour:Shades of green, yellow to pale orange
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Bindheimite
Cerussite
Galena
Quartz
Susannite
Wulfenite
Associated Minerals Based on Photo Data:
Quartz21
Wulfenite13
Cerussite2
Galena1
Data
Mineral Data:Click here to view Pyromorphite data
Locality Data:Click here to view Bwlch Glas Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
Photo GalleryView Gallery (74 photos)
Data Identifiers
Mindat Occurrence Record ID:9181
Long-form Identifier:1:3:9181:7
GUID (UUID V4):0
Nearest other occurrences of Pyromorphite
1.9km (1.2 miles) ⓘHafan Mine (Canninog Mine; Bwlch Canninog Mine), Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
2.8km (1.8 miles) ⓘHenfwlch Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
3.0km (1.9 miles) ⓘEaglebrook Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
3.3km (2.0 miles) ⓘLletty Evanhen Mine (Vaughan Mine), Bontgoch, Trefeirig, Ceredigion, Wales, UK
3.6km (2.2 miles) ⓘBryn-yr-Afr Mine, Ponterwyd, Trefeirig, Ceredigion, Wales, UK
3.9km (2.4 miles) ⓘLlechwedd Helyg Mine (Willow Bank Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
4.2km (2.6 miles) ⓘEsgair Hir & Esgair Fraith mines (Cambrian Mine; Cardigan Consolidated Mine; Welsh Potosi Mine; Kylon Potosi Mine), Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
4.4km (2.8 miles) ⓘMynydd Gorddu Mine, Bontgoch (Elerch), Ceulanymaesmawr, Ceredigion, Wales, UK
4.6km (2.9 miles) ⓘGwaith Yr Afon mine (West Cwmsymlog Mine; Cwm Daren Mine; River Mine; Taliesan Mine), Goginan, Trefeirig, Ceredigion, Wales, UK
4.7km (2.9 miles) ⓘCerrig Yr Wyn Mine (Cerrigyrwyn Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
References
Braithwaite, Richard S.W. (1982) Pyromorphite, Wulfenite and Other Minerals from the Bwlch-Glas Mine, Central Wales. The Mineralogical Record, 13 (3) 151-153
 
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