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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Anorthite from
Case Collina, Pitigliano, Grosseto Province, Tuscany, Italy


Locality type:Quarry
Classification
Species:Anorthite
Formula:Ca(Al2Si2O8)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Anorthite data
Locality Data:Click here to view Case Collina, Pitigliano, Grosseto Province, Tuscany, Italy
Data Identifiers
Mindat Occurrence Record ID:367200
Long-form Identifier:1:3:367200:6
GUID (UUID V4):0
Nearest other occurrences of Anorthite
7.7km (4.8 miles) ⓘMontenero Quarry, Onano, Viterbo Province, Lazio, Italy
8.4km (5.2 miles) ⓘPoggio Pinzo (Gradoli pozzolana quarry), Gradoli, Viterbo Province, Lazio, Italy
44.0km (27.4 miles) ⓘSan Martino al Cimino, Viterbo, Viterbo Province, Lazio, Italy
44.4km (27.6 miles) ⓘLe Carcarelle, Viterbo, Viterbo Province, Lazio, Italy
45.1km (28.1 miles) ⓘTre Croci, Vetralla, Viterbo Province, Lazio, Italy
78.0km (48.5 miles) ⓘFicoreto carbonatite, Campagnano di Roma, Metropolitan City of Rome Capital, Lazio, Italy
78.1km (48.5 miles) ⓘColle Fabbri, Spoleto, Perugia Province, Umbria, Italy
79.4km (49.3 miles) ⓘMonte Tozzo, Campagnano di Roma, Metropolitan City of Rome Capital, Lazio, Italy
79.8km (49.6 miles) ⓘMonte Cavalluccio, Campagnano di Roma, Metropolitan City of Rome Capital, Lazio, Italy
80.2km (49.8 miles) ⓘFosso Attici, Magliano Romano, Metropolitan City of Rome Capital, Lazio, Italy
References
Liotti, L. (1991) I minerali dei vulcani laziali a Pitigliano (Grosseto). Rivista Mineralogica Italiana, 15(3), 121-139.
 
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