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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Minium from
Old Millclose Mine, South Darley, Derbyshire Dales District, Derbyshire, England, UK


07426990017485733109910.jpg
Minium, etc.

Old Millclose Mine, South Darley, Derbyshire Dales District, Derbyshire, England, UK
07426990017485733109910.jpg
Minium, etc.

Old Millclose Mine, South Darley, Derbyshire Dales District, Derbyshire, England, UK
07426990017485733109910.jpg
Minium, etc.

Old Millclose Mine, South Darley, Derbyshire Dales District, Derbyshire, England, UK
Locality type:Mine
Classification
Species:Minium
Formula:Pb3O4
Confirmation
Validity:Unconfirmed/Questioned
Associated Minerals Based on Photo Data:
Galena1
Data
Mineral Data:Click here to view Minium data
Locality Data:Click here to view Old Millclose Mine, South Darley, Derbyshire Dales District, Derbyshire, England, UK
Data Identifiers
Mindat Occurrence Record ID:16956
Long-form Identifier:1:3:16956:1
GUID (UUID V4):0
Nearest other occurrences of Minium
4.4km (2.7 miles) ⓘMasson Hill and mines, Matlock, Derbyshire Dales District, Derbyshire, England, UK
42.4km (26.4 miles) ⓘEngine Vein Mine, Alderley Edge, Cheshire, England, UK
References
Ford, T., Sarjeant, A., Smith, M. (1993) The minerals of the Peak district of Derbyshire. UK Journal of Mines and Minerals 13, Rockbottom Publications. 16-55
Day, Harry (1999) BMS Database, British Micromount Society.
 
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