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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Tyrolite from
Dolyhir Quarry, Old Radnor, Powys, Wales, UK


07692980017272733205625.jpg
Tyrolite, etc.

Dolyhir Quarry, Old Radnor, Powys, Wales, UK
04022430017839007301519.jpg
Tyrolite, etc.

Dolyhir Quarry, Old Radnor, Powys, Wales, UK
00547620017272037484469.jpg
Tyrolite, etc.

Dolyhir Quarry, Old Radnor, Powys, Wales, UK
08463450017820658755072.jpg
Tyrolite, etc.

Dolyhir Quarry, Old Radnor, Powys, Wales, UK
00547620017272037484469.jpg
Tyrolite, etc.

Dolyhir Quarry, Old Radnor, Powys, Wales, UK
08463450017820658755072.jpg
Tyrolite, etc.

Dolyhir Quarry, Old Radnor, Powys, Wales, UK
Locality type:Quarry
Classification
Species:Tyrolite
Formula:Ca2Cu9(AsO4)4(CO3)(OH)8 · 11H2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Azurite2
Calcite1
Data
Mineral Data:Click here to view Tyrolite data
Locality Data:Click here to view Dolyhir Quarry, Old Radnor, Powys, Wales, UK
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:20258
Long-form Identifier:1:3:20258:3
GUID (UUID V4):0
Nearest other occurrences of Tyrolite
61.0km (37.9 miles) ⓘGwaith Yr Afon mine (West Cwmsymlog Mine; Cwm Daren Mine; River Mine; Taliesan Mine), Goginan, Trefeirig, Ceredigion, Wales, UK
83.1km (51.6 miles) ⓘCapel Hermon, Coed-y-Brenin deposit, Ganllwyd, Gwynedd, Wales, UK
84.4km (52.4 miles) ⓘTrial level, Vigra Mine, Llanelltyd, Gwynedd, Wales, UK
85.9km (53.4 miles) ⓘCoed-y-Brenin deposit, Ganllwyd, Gwynedd, Wales, UK
References
Wolfe, M. (2000) Mineral news. UK Journal of Mines and Minerals 20, 4-6
Cotterell, T. F.; Green, D. I.; Hubbard, N.; Mason, J. S.; Starkey, R. E.; Tindle, A. G. (2011) The Mineralogy of Dolyhir Quarry, Old Radnor, Powys, Wales. UK Journal of Mines and Minerals 32, p.5-61.
Hubbard, Neil, Green, David I. (2020) Richelsdorfite from Dolyhir Quarry, Old Radnor, Powys: the first British occurrence. Journal of the Russell Society, 23. 33-38
 
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