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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Prehnite from
Borrow Pit, Bishopton, Renfrewshire, Scotland, UK


Locality type:Pit
Classification
Species:Prehnite
Formula:Ca2Al2Si3O10(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Prehnite data
Locality Data:Click here to view Borrow Pit, Bishopton, Renfrewshire, Scotland, UK
Data Identifiers
Mindat Occurrence Record ID:44700
Long-form Identifier:1:3:44700:7
GUID (UUID V4):0
Nearest other occurrences of Prehnite
0.6km (0.4 miles) ⓘBishopton tunnel, Bishopton, Renfrewshire, Scotland, UK
4.1km (2.5 miles) ⓘOld Kilpatrick, West Dunbartonshire, Scotland, UK
14.3km (8.9 miles) ⓘBoyleston Quarry, Barrhead, East Renfrewshire, Scotland, UK
15.0km (9.3 miles) ⓘHartfield Moss, Renfrewshire, Scotland, UK
18.0km (11.2 miles) ⓘLoanhead Quarry, Beith, North Ayrshire, Scotland, UK
18.3km (11.3 miles) ⓘCampsie Fells, Stirling, Scotland, UK
25.2km (15.7 miles) ⓘCastle Hill, Kilbirnie, North Ayrshire, Scotland, UK
77.6km (48.2 miles) ⓘCorstorphine Hill, City of Edinburgh, Scotland, UK
80.0km (49.7 miles) ⓘGlenfarg, Ochil Hills, Perth and Kinross, Scotland, UK
80.5km (50.0 miles) ⓘOrrock Quarry, Kirkcaldy, Fife, Scotland, UK
References
Meikle, T. K. (1992) Greenockite from Bishopton. UK Journal of Mines and Minerals 11, Rockbottom Publications. 4-6
Faithfull, J., Hubbard, N. (2001) Otavite from Bishopton, Renfewshire, Scotland. Journal of the Russell Society, 7 (2) 94-96
 
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