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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Wollastonite from
Campomorto Quarry, Pietra Massa Locality, Montalto di Castro, Viterbo Province, Lazio, Italy


Locality type:Quarry
Classification
Species:Wollastonite
Formula:Ca3(Si3O9)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Wollastonite data
Locality Data:Click here to view Campomorto Quarry, Pietra Massa Locality, Montalto di Castro, Viterbo Province, Lazio, Italy
Data Identifiers
Mindat Occurrence Record ID:243259
Long-form Identifier:1:3:243259:5
GUID (UUID V4):0
Nearest other occurrences of Wollastonite
24.3km (15.1 miles) ⓘCasale Rosati, Valentano, Viterbo Province, Lazio, Italy
29.9km (18.6 miles) ⓘCase Collina, Pitigliano, Grosseto Province, Tuscany, Italy
32.3km (20.1 miles) ⓘPoggio Pinzo (Gradoli pozzolana quarry), Gradoli, Viterbo Province, Lazio, Italy
32.5km (20.2 miles) ⓘMontenero Quarry, Onano, Viterbo Province, Lazio, Italy
38.9km (24.2 miles) ⓘSan Martino al Cimino, Viterbo, Viterbo Province, Lazio, Italy
46.8km (29.1 miles) ⓘSan Rocco, Caprarola, Viterbo Province, Lazio, Italy
52.1km (32.4 miles) ⓘSH2 deep well, Bracciano, Metropolitan City of Rome Capital, Lazio, Italy
53.3km (33.1 miles) ⓘPianciano, Castel Giuliano, Bracciano, Metropolitan City of Rome Capital, Lazio, Italy
69.7km (43.3 miles) ⓘFosso Attici, Magliano Romano, Metropolitan City of Rome Capital, Lazio, Italy
70.3km (43.7 miles) ⓘBiachella Valley, Sacrofano, Metropolitan City of Rome Capital, Lazio, Italy
References
Passaglia, E. & Turconi, B. (1982): Silicati ed altri minerali di Montalto di Castro - VT. Rivista Mineralogica Italiana, 4/1982, 97-110.
 
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