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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Bechererite from
Eaglebrook Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK


05706130017364679258002.jpg
Bechererite, etc.

Eaglebrook Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
05706130017364679258002.jpg
Bechererite, etc.

Eaglebrook Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
04524090017272035213521.jpg
Bechererite, etc.

Eaglebrook Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
Locality type:Mine
Classification
Species:Bechererite
Formula:Zn7Cu(OH)13[(SiO(OH)3(SO4)]
Comments:Very pale blue cone-like xls to 0.3mm (XRD)
Habit:Stuby inverted cones
Colour:Colourless to very pale blue
Abundance at site:Very Rare
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
Confirmation Details:Where Tested and Reference ID: University of Manchester
Associated Minerals Based on Photo Data:
Hemimorphite1
Susannite1
Cerussite1
Data
Mineral Data:Click here to view Bechererite data
Locality Data:Click here to view Eaglebrook Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:39254
Long-form Identifier:1:3:39254:9
GUID (UUID V4):0
Nearest other occurrences of Bechererite
2.1km (1.3 miles) ⓘEsgair Hir & Esgair Fraith mines (Cambrian Mine; Cardigan Consolidated Mine; Welsh Potosi Mine; Kylon Potosi Mine), Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
7.4km (4.6 miles) ⓘBwlchrhennaid Mine (Level Newydd Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
13.4km (8.3 miles) ⓘDylife Mine (Pen Dylife Mine; Esgairgaled Mine; Llechwedd Ddu Mine; Blaen Twymyn Mine), Dylife, Machynlleth, Powys, Wales, UK
14.9km (9.2 miles) ⓘFrongoch Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK
48.3km (30.0 miles) ⓘLlangynog Mine, Llangynog, Powys, Wales, UK
References
Rust, S. A. , Bell, R., Green, D. I. (2003) The Occurrence of Bechererite in The British Isles. Uk Journal of Mines and Minerals 23. Rockbottom Publications
 
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