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
Cromhall Quarry, Cromhall, South Gloucestershire, Gloucestershire, England, UK


Locality type:Quarry
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Cromhall Quarry, Cromhall, South Gloucestershire, Gloucestershire, England, UK
Data Identifiers
Mindat Occurrence Record ID:170339
Long-form Identifier:1:3:170339:9
GUID (UUID V4):0
Nearest other occurrences of Calcite
2.2km (1.4 miles) ⓘChurchwood quarry, Wickwar, South Gloucestershire, Gloucestershire, England, UK
2.5km (1.6 miles) ⓘCromhall Quartzite Quarry, Cromhall, South Gloucestershire, Gloucestershire, England, UK
4.3km (2.7 miles) ⓘWoodford Bridge, Stroud, Gloucestershire, England, UK
5.1km (3.2 miles) ⓘWoodleaze Quarry, Tytherington, South Gloucestershire, Gloucestershire, England, UK
7.9km (4.9 miles) ⓘChipping Sodbury Quarry (Hampstead Farm Quarry), Sodbury, South Gloucestershire, Gloucestershire, England, UK
9.4km (5.8 miles) ⓘYate Quarry, Yate, South Gloucestershire, Gloucestershire, England, UK
14.0km (8.7 miles) ⓘAust Cliff, Aust, South Gloucestershire, Gloucestershire, England, UK
17.3km (10.7 miles) ⓘPen Park Hole, Bristol, England, UK
17.3km (10.8 miles) ⓘPen Park Hole, South Gloucestershire, Gloucestershire, England, UK
17.8km (11.1 miles) ⓘNoxon Park Mine, Forest of Dean, Gloucestershire, England, UK
References
 
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