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
Twll Maen Grisial, Fron Olau, Prenteg, Dolbenmaen, Gwynedd, Wales, UK


Locality type:Cliff
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Twll Maen Grisial, Fron Olau, Prenteg, Dolbenmaen, Gwynedd, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:101899
Long-form Identifier:1:3:101899:8
GUID (UUID V4):0
Nearest other occurrences of Calcite
3.9km (2.4 miles) ⓘPantywrach Mine, Llanfrothen, Gwynedd, Wales, UK
4.7km (2.9 miles) ⓘBwlch y Plym Mine, Llanfrothen, Gwynedd, Wales, UK
7.0km (4.4 miles) ⓘOgof Owain Glyndwr, Moel Hebog, Beddgelert, Gwynedd, Wales, UK
11.9km (7.4 miles) ⓘHafod y Llan workings, Beddgelert, Gwynedd, Wales, UK
12.9km (8.0 miles) ⓘDrws-y-Coed Mine (Drwy-y-Coed Mine), Nantlle Vale, Llanllyfni, Gwynedd, Wales, UK
13.2km (8.2 miles) ⓘLliwedd Mine, Beddgelert, Gwynedd, Wales, UK
13.2km (8.2 miles) ⓘManod Quarry (Manod New Setts Quarry), Ffestiniog, Gwynedd, Wales, UK
14.1km (8.7 miles) ⓘBritannia Mine, Beddgelert, Gwynedd, Wales, UK
16.4km (10.2 miles) ⓘPrince Edward Mine (Moel Croesau), Trawsfynydd, Gwynedd, Wales, UK
19.5km (12.1 miles) ⓘDinorwic Quarry, Llanddeiniolen, Gwynedd, Wales, UK
References
 
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