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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Langite from
Dylife Mine (Pen Dylife Mine; Esgairgaled Mine; Llechwedd Ddu Mine; Blaen Twymyn Mine), Dylife, Machynlleth, Powys, Wales, UK


05023700017272020665381.jpg
Langite, etc.

Dylife Mine, Dylife, Machynlleth, Powys, Wales, UK
00465990017272020527694.jpg
Langite, etc.

Dylife Mine, Dylife, Machynlleth, Powys, Wales, UK
01983500017272020616200.jpg
Langite, etc.

Dylife Mine, Dylife, Machynlleth, Powys, Wales, UK
02996730017272053034985.jpg
Langite, etc.

Dylife Mine, Dylife, Machynlleth, Powys, Wales, UK
02749310017369750131697.jpg
Langite, etc.

Dylife Mine, Dylife, Machynlleth, Powys, Wales, UK
09286950017369750132941.jpg
Langite, etc.

Dylife Mine, Dylife, Machynlleth, Powys, Wales, UK
05793400017369750128354.jpg
Langite, etc.

Dylife Mine, Dylife, Machynlleth, Powys, Wales, UK
04259530017369750146954.jpg
Langite, etc.

Dylife Mine, Dylife, Machynlleth, Powys, Wales, UK
05023700017272020665381.jpg
Langite, etc.

Dylife Mine, Dylife, Machynlleth, Powys, Wales, UK
00465990017272020527694.jpg
Langite, etc.

Dylife Mine, Dylife, Machynlleth, Powys, Wales, UK
03207780017272020728404.jpg
Langite, etc.

Dylife Mine, Dylife, Machynlleth, Powys, Wales, UK
02996730017272053034985.jpg
Langite, etc.

Dylife Mine, Dylife, Machynlleth, Powys, Wales, UK
Locality type:Mine
Classification
Species:Langite
Formula:Cu4(SO4)(OH)6 · 2H2O
Comments:Deep blue green xls to 0.6mm, associated with brochantite, linarite, lautenthalite, chalcophyllite.
Habit:Pseudohexagonal, pseudo-octahedral, blocy
Colour:Deep blue geen
Abundance at site:Rare
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Associated Minerals Based on Photo Data:
Anglesite36
Ramsbeckite23
Lautenthalite21
Schulenbergite19
Cerussite17
Linarite13
Hemimorphite11
Susannite10
Sphalerite9
Brochantite8
Goethite7
Bechererite6
Serpierite6
Quartz6
Redgillite4
Chalcopyrite1
Hydrozincite1
Data
Mineral Data:Click here to view Langite data
Locality Data:Click here to view Dylife Mine (Pen Dylife Mine; Esgairgaled Mine; Llechwedd Ddu Mine; Blaen Twymyn Mine), Dylife, Machynlleth, Powys, Wales, UK
Photo GalleryView Gallery (5 photos)
Data Identifiers
Mindat Occurrence Record ID:18248
Long-form Identifier:1:3:18248:3
GUID (UUID V4):0
Nearest other occurrences of Langite
8.7km (5.4 miles) ⓘGeufron Mine, Llanidloes, Powys, Wales, UK
13.1km (8.1 miles) ⓘEsgair Hir & Esgair Fraith mines (Cambrian Mine; Cardigan Consolidated Mine; Welsh Potosi Mine; Kylon Potosi Mine), Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
13.4km (8.3 miles) ⓘEaglebrook Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
13.6km (8.5 miles) ⓘHenfwlch Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
15.5km (9.6 miles) ⓘYstrad Einion Mine (Dolgoch Mine), Furnace, Ysgubor-y-coed, Ceredigion, Wales, UK
19.1km (11.9 miles) ⓘLletty Evanhen Mine (Vaughan Mine), Bontgoch, Trefeirig, Ceredigion, Wales, UK
19.3km (12.0 miles) ⓘLoveden Mine, Ynystudor, Ysgubor-y-coed, Ceredigion, Wales, UK
19.4km (12.0 miles) ⓘLodge Park Trial, Tre'r-ddol, Llangynfelyn, Ceredigion, Wales, UK
19.4km (12.0 miles) ⓘBwlchrhennaid Mine (Level Newydd Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
19.8km (12.3 miles) ⓘBrynarian Mine (Cardigan Bay Consols Mine), Tre-Taliesin, Llangynfelyn, Ceredigion, Wales, UK
References
Day, Harry (1999) BMS Database, British Micromount Society.
 
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