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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Hemimorphite from
Millclose Mine, South Darley, Derbyshire Dales District, Derbyshire, England, UK


09493270017368711811988.jpg
Hemimorphite, etc.

Millclose Mine, South Darley, Derbyshire Dales District, Derbyshire, England, UK
03988360017271998371402.jpg
Hemimorphite, etc.

Millclose Mine, South Darley, Derbyshire Dales District, Derbyshire, England, UK
05351460017271998388180.jpg
Hemimorphite, etc.

Millclose Mine, South Darley, Derbyshire Dales District, Derbyshire, England, UK
04835450017363442382976.jpg
Hemimorphite, etc.

Millclose Mine, South Darley, Derbyshire Dales District, Derbyshire, England, UK
03580570017368711828233.jpg
Hemimorphite, etc.

Millclose Mine, South Darley, Derbyshire Dales District, Derbyshire, England, UK
06635250017368711824524.jpg
Hemimorphite, etc.

Millclose Mine, South Darley, Derbyshire Dales District, Derbyshire, England, UK
09493270017368711811988.jpg
Hemimorphite, etc.

Millclose Mine, South Darley, Derbyshire Dales District, Derbyshire, England, UK
03988360017271998371402.jpg
Hemimorphite, etc.

Millclose Mine, South Darley, Derbyshire Dales District, Derbyshire, England, UK
05351460017271998388180.jpg
Hemimorphite, etc.

Millclose Mine, South Darley, Derbyshire Dales District, Derbyshire, England, UK
Locality type:Mine
Classification
Species:Hemimorphite
Formula:Zn4Si2O7(OH)2 · H2O
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Dundasite
Associated Minerals Based on Photo Data:
Fluorite3
Smithsonite3
Sphalerite1
Greenockite1
Data
Mineral Data:Click here to view Hemimorphite data
Locality Data:Click here to view Millclose Mine, South Darley, Derbyshire Dales District, Derbyshire, England, UK
Photo GalleryView Gallery (3 photos)
Data Identifiers
Mindat Occurrence Record ID:480645
Long-form Identifier:1:3:480645:5
GUID (UUID V4):0
Nearest other occurrences of Hemimorphite
0.8km (0.5 miles) ⓘOld Millclose Mine, South Darley, Derbyshire Dales District, Derbyshire, England, UK
3.3km (2.1 miles) ⓘBonsall Moor Quarry (Moor Farm Quarry; "Slayley Quarry"), Bonsall Moor, Bonsall, Derbyshire Dales District, Derbyshire, England, UK
3.9km (2.5 miles) ⓘPike Lane Opencut, Winster, Derbyshire Dales District, Derbyshire, England, UK
4.1km (2.6 miles) ⓘMasson Hill Quarry, Matlock, Derbyshire Dales District, Derbyshire, England, UK
4.3km (2.7 miles) ⓘMatlock, Derbyshire Dales District, Derbyshire, England, UK
4.5km (2.8 miles) ⓘSacheveral Farm, Winster, Derbyshire Dales District, Derbyshire, England, UK
4.5km (2.8 miles) ⓘMasson Hill and mines, Matlock, Derbyshire Dales District, Derbyshire, England, UK
5.0km (3.1 miles) ⓘDevonshire Cavern, Matlock, Derbyshire Dales District, Derbyshire, England, UK
5.0km (3.1 miles) ⓘRutland Cave Mine (Rutland Mine; Nestus Mine), Heights of Abraham, Matlock Bath, Derbyshire Dales District, Derbyshire, England, UK
5.5km (3.4 miles) ⓘRoyal mine, Matlock, Derbyshire Dales District, Derbyshire, England, UK
References
Palache, Charles; Berman, Harry; Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons.
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
 
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