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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Quartz from
Hartfield Moss, Renfrewshire, Scotland, UK


Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Hartfield Moss, Renfrewshire, Scotland, UK
Data Identifiers
Mindat Occurrence Record ID:17455
Long-form Identifier:1:3:17455:4
GUID (UUID V4):0
Nearest other occurrences of Quartz
5.8km (3.6 miles) ⓘLoanhead Quarry, Beith, North Ayrshire, Scotland, UK
6.4km (4.0 miles) ⓘTrearne Quarry, Beith, North Ayrshire, Scotland, UK
7.0km (4.4 miles) ⓘLochwinnock, Renfrewshire, Scotland, UK
7.4km (4.6 miles) ⓘBoyleston Quarry, Barrhead, East Renfrewshire, Scotland, UK
12.6km (7.8 miles) ⓘLinthills and Lairdshide, Renfrewshire, Scotland, UK
15.6km (9.7 miles) ⓘMuirshiel Mine, Renfrewshire, Scotland, UK
15.6km (9.7 miles) ⓘCatburn, Largs, North Ayrshire, Scotland, UK
16.8km (10.4 miles) ⓘLinn Park (Cathcart Castle), Glasgow City, Scotland, UK
17.8km (11.1 miles) ⓘPort Glasgow, Inverclyde, Scotland, UK
20.4km (12.7 miles) ⓘKaim Hill, North Ayrshire, Scotland, UK
References
Day, Harry (1999) BMS Database, British Micromount Society.
 
and/or  
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