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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Greenockite from
Milltown Quarry, Milltown, Ashover, North East Derbyshire District, Derbyshire, England, UK


Locality type:Quarry
Classification
Species:Greenockite
Formula:CdS
Comments:Thin smears and powders on or near partly corroded sphalerite.
Habit:Very thin crusts
Colour:Yellow
Quality for species:Poor for species, only of interest for locality collectors. (#)
Abundance at site:Very Rare
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Smithsonite1
Baryte1
Data
Mineral Data:Click here to view Greenockite data
Locality Data:Click here to view Milltown Quarry, Milltown, Ashover, North East Derbyshire District, Derbyshire, England, UK
Data Identifiers
Mindat Occurrence Record ID:46897
Long-form Identifier:1:3:46897:6
GUID (UUID V4):0
Nearest other occurrences of Greenockite
0.3km (0.2 miles) ⓘFall Hill Quarry, Milltown, Ashover, North East Derbyshire District, Derbyshire, England, UK
5.8km (3.6 miles) ⓘMatlock, Derbyshire Dales District, Derbyshire, England, UK
7.4km (4.6 miles) ⓘWapping Mine, Matlock Bath, Derbyshire Dales District, Derbyshire, England, UK
9.0km (5.6 miles) ⓘMillclose Mine, South Darley, Derbyshire Dales District, Derbyshire, England, UK
9.5km (5.9 miles) ⓘOld Millclose Mine, South Darley, Derbyshire Dales District, Derbyshire, England, UK
25.4km (15.8 miles) ⓘWaterbank Mine, Back of Ecton, Ecton, Wetton, Staffordshire Moorlands, Staffordshire, England, UK
27.7km (17.2 miles) ⓘBradwell Moor, Bradwell, Derbyshire Dales District, Derbyshire, England, UK
References
58 (in German)
S Rust collection
Rust, Steve A. (1994) Seltene Mineralien aus dem Milltown-Steinbruch bei Ashover, Derbyshire, Großbritannien [Rare minerals from the Milltown Quarry near Ashover, Derbyshire, UK]. Lapis, 19 (12). 13-17; 58
 
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