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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Analcime from
Titignano, Orvieto, Terni Province, Umbria, Italy


Classification
Species:Analcime
Formula:Na(AlSi2O6) · H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Analcime data
Locality Data:Click here to view Titignano, Orvieto, Terni Province, Umbria, Italy
Data Identifiers
Mindat Occurrence Record ID:306386
Long-form Identifier:1:3:306386:6
GUID (UUID V4):0
Nearest other occurrences of Analcime
32.9km (20.4 miles) ⓘForcinello carbonatite, Montefiascone, Viterbo Province, Lazio, Italy
39.5km (24.5 miles) ⓘPoggio Pinzo (Gradoli pozzolana quarry), Gradoli, Viterbo Province, Lazio, Italy
39.9km (24.8 miles) ⓘMontenero Quarry, Onano, Viterbo Province, Lazio, Italy
41.4km (25.7 miles) ⓘLatera solfatara, Latera, Viterbo Province, Lazio, Italy
44.5km (27.6 miles) ⓘPoggio Nibbio, Viterbo, Viterbo Province, Lazio, Italy
47.3km (29.4 miles) ⓘCase Collina, Pitigliano, Grosseto Province, Tuscany, Italy
47.9km (29.8 miles) ⓘLe Carcarelle, Viterbo, Viterbo Province, Lazio, Italy
50.1km (31.1 miles) ⓘTre Croci, Vetralla, Viterbo Province, Lazio, Italy
69.7km (43.3 miles) ⓘFicoreto carbonatite, Campagnano di Roma, Metropolitan City of Rome Capital, Lazio, Italy
76.6km (47.6 miles) ⓘPianciano, Castel Giuliano, Bracciano, Metropolitan City of Rome Capital, Lazio, Italy
References
Stoppa, Francesco, Liu, Yu (1995) Chemical composition and petrogenetic implications of apatites from some ultra-alkaline Italian rocks. European Journal of Mineralogy, 7 (2) 391-402 doi:10.1127/ejm/7/2/0391
 
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