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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Gypsum from
Madonna di Fucinaia (Madonna della Fucinaia) slag heaps, Campiglia Marittima, Livorno Province, Tuscany, Italy


Locality type:Slag Locality
Classification
Species:Gypsum
Formula:CaSO4 · 2H2O
Formation:Post-mining/Anthropogenic
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Connellite4
Chalcophyllite1
Data
Mineral Data:Click here to view Gypsum data
Locality Data:Click here to view Madonna di Fucinaia (Madonna della Fucinaia) slag heaps, Campiglia Marittima, Livorno Province, Tuscany, Italy
Photo GalleryView Gallery (13 photos)
Data Identifiers
Mindat Occurrence Record ID:84008
Long-form Identifier:1:3:84008:2
GUID (UUID V4):0
Localities for Gypsum in this Region
Capattoli Valley slag locality, Madonna di Fucinaia (Madonna della Fucinaia) slag heaps, Campiglia Marittima, Livorno Province, Tuscany, Italy
Nearest other occurrences of Gypsum
0.6km (0.4 miles) Temperino Mine, Campiglia Marittima, Livorno Province, Tuscany, Italy
1.8km (1.1 miles) Montorsi Mine, Botro ai Marmi, Campiglia Marittima, Livorno Province, Tuscany, Italy
1.9km (1.2 miles) Lanzi Mine (Cava del Piombo; Buca del Piombo), Campiglia Marittima, Livorno Province, Tuscany, Italy
2.0km (1.2 miles) Rocca San Silvestro slag locality, Campiglia Marittima, Livorno Province, Tuscany, Italy
2.5km (1.6 miles) Botro ai Marmi, Campiglia Marittima, Livorno Province, Tuscany, Italy
3.9km (2.5 miles) Podere del Cancellino (Podere dei Cancellini) slag locality, Castagneto Carducci, Livorno Province, Tuscany, Italy
12.3km (7.6 miles) Baratti slag locality, Piombino, Livorno Province, Tuscany, Italy
13.5km (8.4 miles) Montioni, Suvereto, Livorno Province, Tuscany, Italy
16.6km (10.3 miles) Bottricoli slag locality, Valpiana - Castello della Marsiliana area slag sites, Massa Marittima, Grosseto Province, Tuscany, Italy
17.7km (11.0 miles) Marsiliana slag locality, Valpiana - Castello della Marsiliana area slag sites, Massa Marittima, Grosseto Province, Tuscany, Italy
References
 
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