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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Malachite from
Dyfngwm mine, Penegoes, Powys, Wales, UK


Locality type:Mine
Classification
Species:Malachite
Formula:Cu2(CO3)(OH)2
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Data
Mineral Data:Click here to view Malachite data
Locality Data:Click here to view Dyfngwm mine, Penegoes, Powys, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:1027131
Long-form Identifier:1:3:1027131:5
GUID (UUID V4):0
Nearest other occurrences of Malachite
0.4km (0.2 miles) ⓘCastle Rock Mine, Penegoes, Powys, Wales, UK
0.5km (0.3 miles) ⓘPenycrocben, Penegoes, Powys, Wales, UK
0.8km (0.5 miles) ⓘAfon Clyywedog Gorge, Penegoes, Powys, Wales, UK
1.3km (0.8 miles) ⓘDylife Mine (Pen Dylife Mine; Esgairgaled Mine; Llechwedd Ddu Mine; Blaen Twymyn Mine), Dylife, Machynlleth, Powys, Wales, UK
1.9km (1.2 miles) ⓘCythfartha Mine, Penegoes, Powys, Wales, UK
6.3km (3.9 miles) ⓘNant yr Eira mine (Snowbrook mine), Hafren Forest, Powys, Wales, UK
8.1km (5.0 miles) ⓘGeufron Mine, Llanidloes, Powys, Wales, UK
8.5km (5.3 miles) ⓘAberdaunant Mine, Llanidloes, Powys, Wales, UK
11.2km (6.9 miles) ⓘCamdwrbach Mine (Cambrian South Mine), Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
12.0km (7.5 miles) ⓘEsgair Hir & Esgair Fraith mines (Cambrian Mine; Cardigan Consolidated Mine; Welsh Potosi Mine; Kylon Potosi Mine), Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
References
Render, Paul (n.d.) Paul Render Collection.
 
and/or  
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