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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Calcite from
Henfwlch Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK


03571900017370221953797.jpg
Calcite, etc.

Henfwlch Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
03706250017370221966072.jpg
Calcite, etc.

Henfwlch Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
01984050017272035275343.jpg
Calcite, etc.

Henfwlch Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
06972510017272019702607.jpg
Calcite, etc.

Henfwlch Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
01984050017272035275343.jpg
Calcite, etc.

Henfwlch Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
06972510017272019702607.jpg
Calcite, etc.

Henfwlch Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
Locality type:Mine
Classification
Species:Calcite
Formula:CaCO3
Comments:Platy xls to 3mm+, on quartz and dolomite.
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Quartz3
Hydrozincite2
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Henfwlch Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:39608
Long-form Identifier:1:3:39608:6
GUID (UUID V4):0
Nearest other occurrences of Calcite
0.9km (0.6 miles) ⓘEaglebrook Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
3.0km (1.9 miles) ⓘEsgair Hir & Esgair Fraith mines (Cambrian Mine; Cardigan Consolidated Mine; Welsh Potosi Mine; Kylon Potosi Mine), Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
3.2km (2.0 miles) ⓘBlaenceulan Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
6.3km (3.9 miles) ⓘPlynlimon Mine, Ponterwyd, Cwmrheidol, Ceredigion, Wales, UK
6.4km (4.0 miles) ⓘLlechwedd Helyg Mine (Willow Bank Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
7.6km (4.7 miles) ⓘPensarn Mine, Tre-Taliesin, Llangynfelyn, Ceredigion, Wales, UK
7.6km (4.7 miles) ⓘNantyrarian Mine (Silver Stream Mine. Blaendyffryn Mine), Goginan, Melindwr, Ceredigion, Wales, UK
7.6km (4.7 miles) ⓘDolclettwr Mine (Treddol Mine), Tre'r-ddol, Llangynfelyn, Ceredigion, Wales, UK
8.0km (5.0 miles) ⓘCwmbyr Mine, Penegoes, Powys, Wales, UK
8.0km (5.0 miles) ⓘCastell Mine (Dyffryn Castell Mine; New Castell Mine; West Esgair Lle Mine; Gwaithddu Mine; Cripiau Bach Mine), Ponterwyd, Cwmrheidol, Ceredigion, Wales, UK
References
S Rust collection
 
and/or  
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