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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Beryl from
Cotorniano quarry, Chiusdino, Siena Province, Tuscany, Italy


Locality type:Quarry
Classification
Species:Beryl
Formula:Be3Al2(Si6O18)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Beryl data
Locality Data:Click here to view Cotorniano quarry, Chiusdino, Siena Province, Tuscany, Italy
Data Identifiers
Mindat Occurrence Record ID:413489
Long-form Identifier:1:3:413489:3
GUID (UUID V4):0
Nearest other occurrences of Beryl
89.7km (55.7 miles) ⓘProcchio, Marciana, Livorno Province, Tuscany, Italy
91.1km (56.6 miles) ⓘPunta della Crocetta, Marciana Marina, Livorno Province, Tuscany, Italy
91.7km (57.0 miles) ⓘForcioni, Sant'Ilario in Campo, Campo nell'Elba, Livorno Province, Tuscany, Italy
93.3km (58.0 miles) ⓘFosso Bovalico (Torrente Bovalico), San Piero in Campo, Campo nell'Elba, Livorno Province, Tuscany, Italy
93.6km (58.1 miles) ⓘGrotta d'Oggi, San Piero in Campo, Campo nell'Elba, Livorno Province, Tuscany, Italy
94.1km (58.5 miles) ⓘSan Piero in Campo, Campo nell'Elba, Livorno Province, Tuscany, Italy
94.1km (58.5 miles) ⓘRosina vein (Rosina pegmatite), San Piero in Campo, Campo nell'Elba, Livorno Province, Tuscany, Italy
94.5km (58.7 miles) ⓘFonte del Prete, San Piero in Campo, Campo nell'Elba, Livorno Province, Tuscany, Italy
95.0km (59.0 miles) ⓘFosso della Caviere, San Piero in Campo, Campo nell'Elba, Livorno Province, Tuscany, Italy
97.0km (60.2 miles) ⓘPunta delle Secche, Giglio Island, Isola del Giglio, Grosseto Province, Tuscany, Italy
References
Betti, Cesare; Pagani, Giancarlo (2000) Minerali del Senese [Minerals of Siena] - Cento località mineralogiche nella provincia di Siena [One hundred mineralogical localities in the province of Siena] (3rd ed.). Protagon Editori Toscani. 288pp.
 
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