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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Unnamed (Cu-Pb Sulfate) from
Daren Mine (Old Daren Mine; Darren Consolidated Mine; Daren United Mine; Great Darren Mine; Darren Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK


Locality type:Mine
Classification
Species:'Unnamed (Cu-Pb Sulfate)' (not an IMA approved species)
Formula:Cu, Pb, S, O
Habit:Feathery plume-like crystals
Colour:Pale blue-royal blue
Abundance at site:Very Rare
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
SEM-EDS
Associated Minerals:
Associates:Caledonite
Hydrocerussite
Data
Mineral Data:Click here to view Unnamed (Cu-Pb Sulfate) data
Locality Data:Click here to view Daren Mine (Old Daren Mine; Darren Consolidated Mine; Daren United Mine; Great Darren Mine; Darren Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:58245
Long-form Identifier:1:3:58245:2
GUID (UUID V4):0
Nearest other occurrences of Unnamed (Cu-Pb Sulfate)
1.9km (1.2 miles) ⓘLlechwedd Helyg Mine (Willow Bank Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
9.9km (6.2 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
S. Rust collection
 
and/or  
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