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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Ankerite from
Force Crag Mine, Coledale, Above Derwent, Allerdale, Cumbria, England, UK


Locality type:Mine
Classification
Species:Ankerite
Formula:Ca(Fe2+,Mg)(CO3)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Ankerite data
Locality Data:Click here to view Force Crag Mine, Coledale, Above Derwent, Allerdale, Cumbria, England, UK
Data Identifiers
Mindat Occurrence Record ID:14562
Long-form Identifier:1:3:14562:2
GUID (UUID V4):0
Nearest other occurrences of Ankerite
9.5km (5.9 miles) ⓘEmbleton Quarry, Embleton, Allerdale, Cumbria, England, UK
12.9km (8.0 miles) ⓘThrelkeld Quarry, St. John's Castlerigg and Wythburn, Allerdale, Cumbria, England, UK
15.8km (9.8 miles) ⓘHigher Roughton Gill (Balliway Rigg), Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
16.2km (10.0 miles) ⓘRed Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
16.7km (10.4 miles) ⓘGrains Gill, Mungrisdale, Eden, Cumbria, England, UK
16.7km (10.4 miles) ⓘCarrock Mine, Mungrisdale, Eden, Cumbria, England, UK
16.8km (10.4 miles) ⓘDry Smale Gill, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
16.9km (10.5 miles) ⓘGreenside Mine, Patterdale, Eden, Cumbria, England, UK
17.2km (10.7 miles) ⓘBrandy Gill Mine, Mungrisdale, Eden, Cumbria, England, UK
18.0km (11.2 miles) ⓘHay Gill Copper Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
References
Jarvis, Adam P., Catherine J. Gandy, and John A. Webb. 2023. "Controls on the Generation and Geochemistry of Neutral Mine Drainage: Evidence from Force Crag Mine, Cumbria, UK" Minerals 13, no. 5: 592. https://doi.org/10.3390/min13050592
 
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