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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Namuwite from
Raiks Vein (incl. Broadlaw Low Level), Mine Hill-Broad Law, Leadhills, South Lanarkshire, Scotland, UK


Locality type:Vein
Classification
Species:Namuwite
Formula:Zn4(SO4)(OH)6 · 4H2O
Formation:Secondary
Comments:A XRD in 19/05/2025 analysis of 'namuwite' from this location, has given an odd result and remains a possible 'new species'. Associated with XRD, EDX confirmed bechererite and redgillite, and visual id leadhillite.
.
Significance:Unusual or interesting association, relationships with other species, pseudomorphism etc. - see notes.
Abundance at site:Extremely Rare
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Namuwite data
Locality Data:Click here to view Raiks Vein (incl. Broadlaw Low Level), Mine Hill-Broad Law, Leadhills, South Lanarkshire, Scotland, UK
Data Identifiers
Mindat Occurrence Record ID:406459
Long-form Identifier:1:3:406459:6
GUID (UUID V4):0
References
S.Rust Collection.
 
and/or  
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