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


Classification
Species:Leucite
Formula:K(AlSi2O6)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Leucite data
Locality Data:Click here to view Titignano, Orvieto, Terni Province, Umbria, Italy
Data Identifiers
Mindat Occurrence Record ID:306387
Long-form Identifier:1:3:306387:3
GUID (UUID V4):0
Nearest other occurrences of Leucite
11.9km (7.4 miles) ⓘVispi Quarry, San Venanzo, Terni Province, Umbria, Italy
12.4km (7.7 miles) ⓘSan Venanzo Volcano, San Venanzo, Terni Province, Umbria, Italy
31.6km (19.6 miles) ⓘColle Fabbri, Spoleto, Perugia Province, Umbria, Italy
32.9km (20.4 miles) ⓘForcinello carbonatite, Montefiascone, Viterbo Province, Lazio, Italy
33.0km (20.5 miles) ⓘMontefiascone caldera, Montefiascone, Viterbo Province, Lazio, Italy
35.7km (22.2 miles) ⓘTrachyte quarry, Gradoli, Viterbo Province, Lazio, Italy
39.9km (24.8 miles) ⓘMontenero Quarry, Onano, 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
48.0km (29.8 miles) ⓘBorghetto, Civita Castellana, Viterbo Province, 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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