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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Vonsenite from
S. Angelo Mount, Campagnano di Roma, Metropolitan City of Rome Capital, Lazio, Italy


08258840017272051424543.jpg
Vonsenite, etc.

S. Angelo Mount, Campagnano di Roma, Metropolitan City of Rome Capital, Lazio, Italy
08258840017272051424543.jpg
Vonsenite, etc.

S. Angelo Mount, Campagnano di Roma, Metropolitan City of Rome Capital, Lazio, Italy
08258840017272051424543.jpg
Vonsenite, etc.

S. Angelo Mount, Campagnano di Roma, Metropolitan City of Rome Capital, Lazio, Italy
Locality type:Mountain
Classification
Species:Vonsenite
Formula:Fe22+Fe3+(BO3)O2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Nepheline2
Data
Mineral Data:Click here to view Vonsenite data
Locality Data:Click here to view S. Angelo Mount, Campagnano di Roma, Metropolitan City of Rome Capital, Lazio, Italy
Data Identifiers
Mindat Occurrence Record ID:833524
Long-form Identifier:1:3:833524:1
GUID (UUID V4):0
Nearest other occurrences of Vonsenite
7.4km (4.6 miles) ⓘMonte Cavalluccio, Campagnano di Roma, Metropolitan City of Rome Capital, Lazio, Italy
23.6km (14.7 miles) ⓘCampo Padella, Capranica, Viterbo Province, Lazio, Italy
25.5km (15.9 miles) ⓘCassia Road km 61.5, Capranica, Viterbo Province, Lazio, Italy
29.1km (18.1 miles) ⓘLa Botte (Botte), Vetralla, Viterbo Province, Lazio, Italy
31.6km (19.7 miles) ⓘTre Croci, Vetralla, Viterbo Province, Lazio, Italy
32.4km (20.2 miles) ⓘLe Carcarelle, Viterbo, Viterbo Province, Lazio, Italy
33.2km (20.6 miles) ⓘLe Piagge, Soriano nel Cimino, Viterbo Province, Lazio, Italy
33.5km (20.8 miles) ⓘSan Martino al Cimino, Viterbo, Viterbo Province, Lazio, Italy
33.7km (20.9 miles) ⓘCapo di Bove, Rome, Metropolitan City of Rome Capital, Lazio, Italy
34.0km (21.2 miles) ⓘPian di San Martino, Vetralla, Viterbo Province, Lazio, Italy
References
Bortolozzi, Giorgio (n.d.) Personal Communication.
 
and/or  
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