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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Agardite from
Deer Hills Baryte Mine, Deer Hills, Caldbeck, Allerdale, Cumbria, England, UK


Locality type:Mine
Classification
Species:'Agardite' (not an IMA approved species)
Comments:Specimens collected by B. Young from the dump of a cross-cut to the Deer Hills baryte lode [NY31303655] show minute pale green sprays (< 0.7mm) on quartz. In addition to Ce, La, and Nd the fibrous crystals contained some Bi. More recently found as minute pale blue fibrous crystals with a mineral near cuprian adamite and aurichalcite (M.P. Cooper Collection; det. BM(NH): XRD).
Habit:fibrous sprays
Colour:pale green; pale blue
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
Data
Mineral Data:Click here to view Agardite data
Locality Data:Click here to view Deer Hills Baryte Mine, Deer Hills, Caldbeck, Allerdale, Cumbria, England, UK
Data Identifiers
Mindat Occurrence Record ID:213
Long-form Identifier:1:3:213:2
GUID (UUID V4):0
Nearest other occurrences of Agardite
0.4km (0.3 miles) ⓘDeer Hills, Caldbeck, Allerdale, Cumbria, England, UK
2.0km (1.2 miles) ⓘDriggith Mine, Caldbeck, Allerdale, Cumbria, England, UK
3.0km (1.8 miles) ⓘBrandy Gill Mine, Mungrisdale, Eden, Cumbria, England, UK
References
Cooper, M. P., Stanley, C. J. (1990) Minerals of the English Lake District - Caldbeck Fells. The Natural History Museum, London.
 
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