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
Hartfield Moss, Renfrewshire, Scotland, UK


Classification
Species:Prehnite
Formula:Ca2Al2Si3O10(OH)2
Comments:Heddle (Mineralogy of Scotland Vol 2) mentions prehnite pseudomorphs after analcime from Hartfield, in Renfrewshire.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Prehnite data
Locality Data:Click here to view Hartfield Moss, Renfrewshire, Scotland, UK
Data Identifiers
Mindat Occurrence Record ID:17182
Long-form Identifier:1:3:17182:1
GUID (UUID V4):0
Nearest other occurrences of Prehnite
5.8km (3.6 miles) ⓘLoanhead Quarry, Beith, North Ayrshire, Scotland, UK
7.4km (4.6 miles) ⓘBoyleston Quarry, Barrhead, East Renfrewshire, Scotland, UK
13.9km (8.7 miles) ⓘCastle Hill, Kilbirnie, North Ayrshire, Scotland, UK
14.5km (9.0 miles) ⓘBishopton tunnel, Bishopton, Renfrewshire, Scotland, UK
15.0km (9.3 miles) ⓘBorrow Pit, Bishopton, Renfrewshire, Scotland, UK
16.1km (10.0 miles) ⓘOld Kilpatrick, West Dunbartonshire, Scotland, UK
30.2km (18.8 miles) ⓘCampsie Fells, Stirling, Scotland, UK
67.2km (41.8 miles) ⓘByne Hill, Girvan, South Ayrshire, Scotland, UK
74.2km (46.1 miles) ⓘSailor's Monument, Lendalfoot, South Ayrshire, Scotland, UK
79.8km (49.6 miles) ⓘCorstorphine Hill, City of Edinburgh, Scotland, UK
References
Day, Harry (1999) BMS Database, British Micromount Society.
 
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