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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Monohydrocalcite from
Meadowfoot Smelter slag locality, Wanlockhead, Dumfries and Galloway, Scotland, UK


Locality type:Slag Locality
Classification
Species:Monohydrocalcite
Formula:CaCO3 · H2O
Formation:Post-mining/Anthropogenic
Comments:Natural History Museum London x-ray file number 4068F
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
Confirmation Details:Where Tested and Reference ID: Natural History Museum London
Data
Mineral Data:Click here to view Monohydrocalcite data
Locality Data:Click here to view Meadowfoot Smelter slag locality, Wanlockhead, Dumfries and Galloway, Scotland, UK
Data Identifiers
Mindat Occurrence Record ID:16974
Long-form Identifier:1:3:16974:7
GUID (UUID V4):0
References
Green, D. I. (1987) The minerals of Meadowfoot smelter. UK Journal of Mines and Minerals 2, Rockbottom Publications. 3-9
Day, Harry (1999) BMS Database, British Micromount Society.
Rust, Steve .A. (2022) The Minerals of the Meadowfoot Smelter. 608 pages printed by Book Printing UK. Distributed by the author.
 
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