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


07727900017272036091292.jpg
Lautenthalite, etc.

Dylife Mine, Dylife, Machynlleth, Powys, Wales, UK
00008800017272020743899.jpg
Lautenthalite, etc.

Dylife Mine, Dylife, Machynlleth, Powys, Wales, UK
00790350017272020827202.jpg
Lautenthalite, etc.

Dylife Mine, Dylife, Machynlleth, Powys, Wales, UK
02497840017367040359850.jpg
Lautenthalite

Dylife Mine, Dylife, Machynlleth, Powys, Wales, UK
05987290017367040359236.jpg
Lautenthalite, etc.

Dylife Mine, Dylife, Machynlleth, Powys, Wales, UK
09730530017367040352575.jpg
Lautenthalite, etc.

Dylife Mine, Dylife, Machynlleth, Powys, Wales, UK
09587380017367040368926.jpg
Lautenthalite, etc.

Dylife Mine, Dylife, Machynlleth, Powys, Wales, UK
02497840017367040359850.jpg
Lautenthalite

Dylife Mine, Dylife, Machynlleth, Powys, Wales, UK
07727900017272036091292.jpg
Lautenthalite, etc.

Dylife Mine, Dylife, Machynlleth, Powys, Wales, UK
00008800017272020743899.jpg
Lautenthalite, etc.

Dylife Mine, Dylife, Machynlleth, Powys, Wales, UK
00790350017272020827202.jpg
Lautenthalite, etc.

Dylife Mine, Dylife, Machynlleth, Powys, Wales, UK
07653440017367040377315.jpg
Lautenthalite

Dylife Mine, Dylife, Machynlleth, Powys, Wales, UK
Locality type:Mine
Classification
Species:Lautenthalite
Formula:PbCu4(SO4)2(OH)6 · 3H2O
Comments:Xls to 0.7mm (XRD)
Habit:Bladed
Colour:Emerald green
Quality for species:Good crystals or rich for species - important (!)
Abundance at site:Very Rare
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
Confirmation Details:Where Tested and Reference ID: NHM London
Associated Minerals Based on Photo Data:
Langite21
Anglesite20
Ramsbeckite11
Schulenbergite11
Cerussite11
Linarite10
Sphalerite7
Susannite6
Goethite5
Bechererite2
Serpierite2
Quartz2
Hemimorphite1
Data
Mineral Data:Click here to view Lautenthalite 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 (11 photos)
Data Identifiers
Mindat Occurrence Record ID:39185
Long-form Identifier:1:3:39185:0
GUID (UUID V4):0
Nearest other occurrences of Lautenthalite
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
19.7km (12.2 miles) ⓘPenrhiw Mine (Penyberth Mine), Ystumtuen, Cwmrheidol, Ceredigion, Wales, UK
19.8km (12.3 miles) ⓘBrynarian Mine (Cardigan Bay Consols Mine), Tre-Taliesin, Llangynfelyn, Ceredigion, Wales, UK
21.3km (13.3 miles) ⓘDaren Mine (Old Daren Mine; Darren Consolidated Mine; Daren United Mine; Great Darren Mine; Darren Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
24.0km (14.9 miles) ⓘFrongoch Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK
28.1km (17.4 miles) ⓘHendre Felen Mine (Hendre quarry), Ysbyty Ystwyth, Ceredigion, Wales, UK
References
 
and/or  
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