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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Pyrrhotite from
Vispi Quarry, San Venanzo, Terni Province, Umbria, Italy


05014810017272076646263.jpg
Pyrrhotite

Vispi Quarry, San Venanzo, Terni Province, Umbria, Italy
04499660017272040722146.jpg
Pyrrhotite, etc.

Vispi Quarry, San Venanzo, Terni Province, Umbria, Italy
05014810017272076646263.jpg
Pyrrhotite

Vispi Quarry, San Venanzo, Terni Province, Umbria, Italy
04499660017272040722146.jpg
Pyrrhotite, etc.

Vispi Quarry, San Venanzo, Terni Province, Umbria, Italy
05014810017272076646263.jpg
Pyrrhotite

Vispi Quarry, San Venanzo, Terni Province, Umbria, Italy
04499660017272040722146.jpg
Pyrrhotite, etc.

Vispi Quarry, San Venanzo, Terni Province, Umbria, Italy
Locality type:Quarry
Classification
Species:Pyrrhotite
Formula:Fe1-xS
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Fluorapatite1
Data
Mineral Data:Click here to view Pyrrhotite data
Locality Data:Click here to view Vispi Quarry, San Venanzo, Terni Province, Umbria, Italy
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:557604
Long-form Identifier:1:3:557604:3
GUID (UUID V4):0
Nearest other occurrences of Pyrrhotite
35.6km (22.1 miles) ⓘColle Fabbri, Spoleto, Perugia Province, Umbria, Italy
84.6km (52.5 miles) ⓘSpizzicatore Hill, Allumiere, Metropolitan City of Rome Capital, Lazio, Italy
98.2km (61.0 miles) ⓘLe Cetine di Cotorniano mine, Chiusdino, Siena Province, Tuscany, Italy
References
Sabatini, V. (1899). I vulcani di San Venanzo. Riv Miner Cristal It, 22, 3-12.
Cundari, A., Ferguson, A. K. (1991) Petrogenetic relationships between melilitite and lamproite. Contributions to Mineralogy and Petrology, 107 (3) 343-357 doi:10.1007/bf00325103
Laurenzi, M., Stoppa, F., & Villa, I. (1994). Eventi ignei monogenici e depositi piroclastici nel Distretto Ultra-alcalino Umbro-Laziale (ULUD): revisione, aggiornamento e comparazione dei dati cronologici. Plinius, 12, 61-65.
Stoppa, F. (1996) The San Venanzo maar and tuff ring, Umbria, Italy: eruptive behaviour of a carbonatite-melilitite volcano. Bulletin of Volcanology, 57 (7). 563-577 doi:10.1007/bf00304440
Stoppa, F., Sharygin, V. V., Cundari, A. (1997) New mineral data from the kamafugite-carbonatite association: The melilitolite from Pian di Celle, Italy. Mineralogy and Petrology, 61 (1) 27-45 doi:10.1007/bf01172476
Conticelli, S., D'Antonio, M., Pinarelli, L., Civetta, L. (2002) Source contamination and mantle heterogeneity in the genesis of Italian potassic and ultrapotassic volcanic rocks: Sr-Nd-Pb isotope data from Roman Province and Southern Tuscany. Mineralogy and Petrology, 74 (2) 189-222 doi:10.1007/s007100200004
Panina, L. I., Stoppa, F., & Usol tseva, L. M. (2003). Genesis of melilitite rocks of Pian di Celle volcano, Umbrian kamafugite province, Italy: evidence from melt inclusions in minerals. PETROLOGY C/C OF PETROLOGIIA, 11(4), 365-382.
Sharygin, Victor V., Pekov, Igor V., Zubkova, Natalia V., Khomyakov, Alexander P., Stoppa, Francesco, Pushcharovsky, Dmitry Yu. (2013) Umbrianite, K7Na2Ca2[Al3Si10O29]F2Cl2, a new mineral species from melilitolite of the Pian di Celle volcano, Umbria, Italy. European Journal of Mineralogy, 25 (4) 655-669 doi:10.1127/0935-1221/2013/0025-2306
Stoppa, F., Schiazza, M. (2014) Extreme chemical conditions of crystallisation of Umbrian Melilitolites and wealth of rare, late stage/hydrothermal minerals. Open Geosciences, 6 (4). doi:10.2478/s13533-012-0190-z
Stoppa, F., Rukhlov, A. S., Bell, K., Schiazza, M., & Vichi, G. (2014). Lamprophyres of Italy: early Cretaceous alkaline lamprophyres of southern Tuscany, Italy. Lithos, 188, 97-112.
 
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