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


06337500017271998752268.jpg
Weddellite

Milltown Quarry, Milltown, Ashover, North East Derbyshire District, Derbyshire, England, UK
01881310017360819248396.jpg
Weddellite

Milltown Quarry, Milltown, Ashover, North East Derbyshire District, Derbyshire, England, UK
06651750017271998749457.jpg
Weddellite

Milltown Quarry, Milltown, Ashover, North East Derbyshire District, Derbyshire, England, UK
03588860017271927563230.jpg
Weddellite, etc.

Milltown Quarry, Milltown, Ashover, North East Derbyshire District, Derbyshire, England, UK
06337500017271998752268.jpg
Weddellite

Milltown Quarry, Milltown, Ashover, North East Derbyshire District, Derbyshire, England, UK
01881310017360819248396.jpg
Weddellite

Milltown Quarry, Milltown, Ashover, North East Derbyshire District, Derbyshire, England, UK
06651750017271998749457.jpg
Weddellite

Milltown Quarry, Milltown, Ashover, North East Derbyshire District, Derbyshire, England, UK
03588860017271927563230.jpg
Weddellite, etc.

Milltown Quarry, Milltown, Ashover, North East Derbyshire District, Derbyshire, England, UK
06337500017271998752268.jpg
Weddellite

Milltown Quarry, Milltown, Ashover, North East Derbyshire District, Derbyshire, England, UK
01881310017360819248396.jpg
Weddellite

Milltown Quarry, Milltown, Ashover, North East Derbyshire District, Derbyshire, England, UK
06651750017271998749457.jpg
Weddellite

Milltown Quarry, Milltown, Ashover, North East Derbyshire District, Derbyshire, England, UK
03588860017271927563230.jpg
Weddellite, etc.

Milltown Quarry, Milltown, Ashover, North East Derbyshire District, Derbyshire, England, UK
Locality type:Quarry
Classification
Species:Weddellite
Formula:Ca(C2O4) · (2.5-x)H2O
Habit:Prismatic, bipyramiddle
Colour:Colourless- pale broen
Quality for species:Good crystals or rich for species - important (!)
Abundance at site:Very Rare
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Calcite
Cerussite
Ettringite
Fluorite
Galena
Gypsum
Hydrocerussite
Litharge
Massicot
Associated Minerals Based on Photo Data:
Ettringite2
Fluorite1
Data
Mineral Data:Click here to view Weddellite data
Locality Data:Click here to view Milltown Quarry, Milltown, Ashover, North East Derbyshire District, Derbyshire, England, UK
Photo GalleryView Gallery (4 photos)
Data Identifiers
Mindat Occurrence Record ID:14398
Long-form Identifier:1:3:14398:9
GUID (UUID V4):0
Nearest other occurrences of Weddellite
0.3km (0.2 miles) ⓘFall Hill Quarry, Milltown, Ashover, North East Derbyshire District, Derbyshire, England, UK
References
Rust S.A. (1983): Weddellite - a new British mineral species from Derbyshire. Mineral Realm 3, 22.
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
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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