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
Hendre Felen Mine (Hendre quarry), Ysbyty Ystwyth, Ceredigion, Wales, UK


08631310017368260325584.jpg
Lautenthalite, etc.

Hendre Felen Mine, Ysbyty Ystwyth, Ceredigion, Wales, UK
00521130017272019974638.jpg
Lautenthalite

Hendre Felen Mine, Ysbyty Ystwyth, Ceredigion, Wales, UK
08631310017368260325584.jpg
Lautenthalite, etc.

Hendre Felen Mine, Ysbyty Ystwyth, Ceredigion, Wales, UK
00521130017272019974638.jpg
Lautenthalite

Hendre Felen Mine, Ysbyty Ystwyth, Ceredigion, Wales, UK
08631310017368260325584.jpg
Lautenthalite, etc.

Hendre Felen Mine, Ysbyty Ystwyth, Ceredigion, Wales, UK
00521130017272019974638.jpg
Lautenthalite

Hendre Felen Mine, Ysbyty Ystwyth, Ceredigion, Wales, UK
Locality type:Mine
Classification
Species:Lautenthalite
Formula:PbCu4(SO4)2(OH)6 · 3H2O
Comments:Xls to 1mm (XRD)
Habit:Platy
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: XRD NHM London
Associated Minerals Based on Photo Data:
Langite1
Chalcopyrite1
Wroewolfeite1
Quartz1
Data
Mineral Data:Click here to view Lautenthalite data
Locality Data:Click here to view Hendre Felen Mine (Hendre quarry), Ysbyty Ystwyth, Ceredigion, Wales, UK
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:18619
Long-form Identifier:1:3:18619:7
GUID (UUID V4):0
Nearest other occurrences of Lautenthalite
4.7km (2.9 miles) ⓘFrongoch Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK
9.1km (5.7 miles) ⓘPenrhiw Mine (Penyberth Mine), Ystumtuen, Cwmrheidol, Ceredigion, Wales, UK
14.0km (8.7 miles) ⓘDaren Mine (Old Daren Mine; Darren Consolidated Mine; Daren United Mine; Great Darren Mine; Darren Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
19.5km (12.1 miles) ⓘEaglebrook Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
21.6km (13.4 miles) ⓘEsgair Hir & Esgair Fraith mines (Cambrian Mine; Cardigan Consolidated Mine; Welsh Potosi Mine; Kylon Potosi Mine), Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
22.5km (14.0 miles) ⓘBrynarian Mine (Cardigan Bay Consols Mine), Tre-Taliesin, Llangynfelyn, Ceredigion, Wales, UK
28.1km (17.4 miles) ⓘDylife Mine (Pen Dylife Mine; Esgairgaled Mine; Llechwedd Ddu Mine; Blaen Twymyn Mine), Dylife, Machynlleth, Powys, Wales, UK
References
Day, Harry (1999) BMS Database, British Micromount Society.
 
and/or  
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