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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Manganite from
Baratti slag locality, Piombino, Livorno Province, Tuscany, Italy


Locality type:Slag Locality
Classification
Species:Manganite
Formula:Mn3+O(OH)
Formation:Post-mining/Anthropogenic
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Manganite data
Locality Data:Click here to view Baratti slag locality, Piombino, Livorno Province, Tuscany, Italy
Data Identifiers
Mindat Occurrence Record ID:349256
Long-form Identifier:1:3:349256:7
GUID (UUID V4):0
Nearest other occurrences of Manganite
12.9km (8.0 miles) ⓘTemperino Mine, Campiglia Marittima, Livorno Province, Tuscany, Italy
22.7km (14.1 miles) ⓘOrtano Mine, Rio Marina, Rio, Livorno Province, Tuscany, Italy
26.1km (16.2 miles) ⓘCape Bianco Mine, Porto Azzurro, Livorno Province, Tuscany, Italy
35.8km (22.3 miles) ⓘSan Piero in Campo, Campo nell'Elba, Livorno Province, Tuscany, Italy
37.9km (23.6 miles) ⓘPoggio al Quattrino, Pomarance, Pisa Province, Tuscany, Italy
59.6km (37.0 miles) ⓘValle Benedetta, Livorno, Livorno Province, Tuscany, Italy
74.1km (46.0 miles) ⓘFosso della Chiesa Mine, Pompana, Murlo, Siena Province, Tuscany, Italy
97.7km (60.7 miles) ⓘLa Selva farm, Rapolano Terme, Siena Province, Tuscany, Italy
References
Muenchener Micromounter-Lithothek
 
and/or  
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