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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Stibnite from
Frassine, Monterotondo Marittimo, Grosseto Province, Tuscany, Italy


Locality type:Deposit
Classification
Species:Stibnite
Formula:Sb2S3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Stibnite data
Locality Data:Click here to view Frassine, Monterotondo Marittimo, Grosseto Province, Tuscany, Italy
Data Identifiers
Mindat Occurrence Record ID:314503
Long-form Identifier:1:3:314503:6
GUID (UUID V4):0
Nearest other occurrences of Stibnite
2.8km (1.8 miles) ⓘMount Leo, Monterotondo Marittimo, Grosseto Province, Tuscany, Italy
14.4km (9.0 miles) ⓘNiccioleta Mine, Massa Marittima, Grosseto Province, Tuscany, Italy
14.9km (9.3 miles) ⓘMontorsi Mine, Botro ai Marmi, Campiglia Marittima, Livorno Province, Tuscany, Italy
16.0km (9.9 miles) ⓘBotro ai Marmi, Campiglia Marittima, Livorno Province, Tuscany, Italy
16.3km (10.1 miles) ⓘFontalcinaldo, Massa Marittima, Grosseto Province, Tuscany, Italy
17.2km (10.7 miles) ⓘCampivecchi Mine (Puccioni Mine), Montoccoli-Castellaccia area (Fosso Zanca-Filone di Montoccoli area; Zanca Valley mines), Massa Marittima, Grosseto Province, Tuscany, Italy
19.1km (11.9 miles) ⓘMicciano, Pomarance, Pisa Province, Tuscany, Italy
19.2km (12.0 miles) ⓘCampo di Sasso, Bibbona, Livorno Province, Tuscany, Italy
22.4km (13.9 miles) ⓘCampiano Mine, Montieri, Grosseto Province, Tuscany, Italy
22.8km (14.2 miles) ⓘBoccheggiano mines, Montieri, Grosseto Province, Tuscany, Italy
References
Dr. GIOVANNI MONTINI, "Mineralizzazioni epitermali a oro nell'area di Frassine (GR)", Unpublished Paper, Firenze University.
 
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