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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Native Gold from
Frassine, Monterotondo Marittimo, Grosseto Province, Tuscany, Italy


Locality type:Deposit
Classification
Species:Native Gold
Formula:Au
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Native Gold data
Locality Data:Click here to view Frassine, Monterotondo Marittimo, Grosseto Province, Tuscany, Italy
Data Identifiers
Mindat Occurrence Record ID:311342
Long-form Identifier:1:3:311342:4
GUID (UUID V4):0
Nearest other occurrences of Native Gold
14.6km (9.1 miles) ⓘMalentrata, Pomarance, Pisa Province, Tuscany, Italy
15.6km (9.7 miles) ⓘBotro del Confine (La Sassa vein system), La Sassa, Montecatini Val di Cecina, Pisa Province, Tuscany, Italy
17.1km (10.6 miles) ⓘLa Sassa, Montecatini Val di Cecina, Pisa Province, Tuscany, Italy
17.5km (10.9 miles) ⓘLa Sassa carbonate vein, La Sassa, Montecatini Val di Cecina, Pisa Province, Tuscany, Italy
18.5km (11.5 miles) ⓘPodere Montevecchio (Podere Montevecchio Mine; Miniera della Sambuca), Gerfalco, Montieri, Grosseto Province, Tuscany, Italy
22.8km (14.1 miles) ⓘMontecastelli Pisano, Castelnuovo di Val di Cecina, Pisa Province, Tuscany, Italy
30.8km (19.1 miles) ⓘMontecatini Mine, Montecatini Val di Cecina, Pisa Province, Tuscany, Italy
35.1km (21.8 miles) ⓘLe Cetine di Cotorniano mine, Chiusdino, Siena Province, Tuscany, Italy
46.5km (28.9 miles) ⓘFortullino, Rosignano Marittimo, Livorno Province, Tuscany, Italy
52.0km (32.3 miles) ⓘGinevro Mine, Capoliveri, Livorno Province, Tuscany, Italy
References
Ruggieri G., 1993. Ore genesis in epithermal enviroment: the examples of Furtei (Sardinia), Frassine and La Campigliola (Southern Tuscany) gold mineralization. Plinius, 9: 134-139.
 
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