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Montmorillonite from
Massaccio Mine, Castiglioncello, Rosignano Marittimo, Livorno Province, Tuscany, Italy


Locality type:Mine
Classification
Species:Montmorillonite
Formula:(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Habit:flakes, scales
Colour:whitish, light green
Quality for species:Rock forming mineral/non-crystalline/little interest for collectors.(##)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Montmorillonite data
Locality Data:Click here to view Massaccio Mine, Castiglioncello, Rosignano Marittimo, Livorno Province, Tuscany, Italy
Data Identifiers
Mindat Occurrence Record ID:1439419
Long-form Identifier:1:3:1439419:1
GUID (UUID V4):0
Nearest other occurrences of Montmorillonite
33.5km (20.8 miles) ⓘMicciano, Pomarance, Pisa Province, Tuscany, Italy
44.7km (27.8 miles) ⓘFrassine, Monterotondo Marittimo, Grosseto Province, Tuscany, Italy
64.0km (39.8 miles) ⓘBottino Mine, Stazzema, Lucca Province, Tuscany, Italy
References
Bonifazi, Marco (2020) Toscana. I minerali di Livorno. I favolosi tesori dei nostri monti [Tuscany. The minerals of Livorno. The fabulous treasures of our mountains]. Youcanprint. 276pp.
 
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