Log InRegister
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreOur ScienceMindat Newsletter [Free Download]Contact Us
Donate to MindatSponsor a PageCorporate SponsorshipSponsored Pages
Learning CenterWhat Is a Mineral?The Most Common Minerals on EarthInformation for EducatorsMindat ArticlesMindat Newsletter [Free Download]The ElementsThe Mineral Quiz
Search FormMinerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDMinerals by CountryAlphabetical Mineral IndexAlphabetical Locality SearchMineral Association SearchList of CountriesLocalities Near MePhoto SearchSearch ArticlesSearch GlossaryThe Rock H. Currier Digital LibraryMore Search Options
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
MineralsPetrologyFossilsMeteoritesGeologic Time
Mining CompaniesStatisticsMineral MuseumsClubs & OrganizationsMineral Shows & EventsDevice SettingsTime Machine
Read DiscussionsIdentification Request
Photo SearchPhoto GalleriesSearch by ColourPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Hemimorphite from
Bryn-yr-Afr Mine, Ponterwyd, Trefeirig, Ceredigion, Wales, UK


01530900017368234139649.jpg
Hemimorphite, etc.

Bryn-yr-Afr Mine, Ponterwyd, Trefeirig, Ceredigion, Wales, UK
01530900017368234139649.jpg
Hemimorphite, etc.

Bryn-yr-Afr Mine, Ponterwyd, Trefeirig, Ceredigion, Wales, UK
02526310017368234148505.jpg
Hemimorphite, etc.

Bryn-yr-Afr Mine, Ponterwyd, Trefeirig, Ceredigion, Wales, UK
Locality type:Mine
Classification
Species:Hemimorphite
Formula:Zn4Si2O7(OH)2 · H2O
Comments:Colourless bladed xls to 2mm
Habit:Bladed groups
Colour:Colourless
Quality for species:Poor for species, only of interest for locality collectors. (#)
Abundance at site:Very Rare
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Associated Minerals Based on Photo Data:
Quartz1
Data
Mineral Data:Click here to view Hemimorphite data
Locality Data:Click here to view Bryn-yr-Afr Mine, Ponterwyd, Trefeirig, Ceredigion, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:39040
Long-form Identifier:1:3:39040:8
GUID (UUID V4):0
Nearest other occurrences of Hemimorphite
0.9km (0.6 miles) ⓘHenfwlch Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
1.6km (1.0 miles) ⓘEaglebrook Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
1.7km (1.1 miles) ⓘHafan Mine (Canninog Mine; Bwlch Canninog Mine), Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
3.6km (2.2 miles) ⓘBwlch Glas Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
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
5.9km (3.7 miles) ⓘLletty Evanhen Mine (Vaughan Mine), Bontgoch, Trefeirig, Ceredigion, Wales, UK
6.2km (3.9 miles) ⓘCwmsymlog Mine (East Daren Mine; Gwaithddu Mine), Goginan, Trefeirig, Ceredigion, Wales, UK
6.4km (4.0 miles) ⓘPengarigddu Mine, Goginan, Melindwr, Ceredigion, Wales, UK
6.6km (4.1 miles) ⓘBwlchrhennaid Mine (Level Newydd Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
6.8km (4.2 miles) ⓘBwlch Mine (Bwlch Consols Mine; Bwlch United Mine; Bwlch Cwmerfin Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
References
S.Rust Collection
 
and/or  
Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: October 21, 2026 16:19:01
Go to top of page