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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Cuspidine from
San Vito Quarry, San Vito, Ercolano, Metropolitan City of Naples, Campania, Italy


03083260017360473615538.jpg
Cuspidine

San Vito Quarry, San Vito, Ercolano, Metropolitan City of Naples, Campania, Italy
07812980017271922378196.jpg
Cuspidine

San Vito Quarry, San Vito, Ercolano, Metropolitan City of Naples, Campania, Italy
01671920017360820171088.jpg
Cuspidine

San Vito Quarry, San Vito, Ercolano, Metropolitan City of Naples, Campania, Italy
01323890017272002506020.jpg
Cuspidine

San Vito Quarry, San Vito, Ercolano, Metropolitan City of Naples, Campania, Italy
09062730017367159795784.jpg
Cuspidine

San Vito Quarry, San Vito, Ercolano, Metropolitan City of Naples, Campania, Italy
09571400017367163328709.jpg
Cuspidine

San Vito Quarry, San Vito, Ercolano, Metropolitan City of Naples, Campania, Italy
01394580017367163489994.jpg
Cuspidine

San Vito Quarry, San Vito, Ercolano, Metropolitan City of Naples, Campania, Italy
02301450017367163527266.jpg
Cuspidine

San Vito Quarry, San Vito, Ercolano, Metropolitan City of Naples, Campania, Italy
03083260017360473615538.jpg
Cuspidine

San Vito Quarry, San Vito, Ercolano, Metropolitan City of Naples, Campania, Italy
07812980017271922378196.jpg
Cuspidine

San Vito Quarry, San Vito, Ercolano, Metropolitan City of Naples, Campania, Italy
01671920017360820171088.jpg
Cuspidine

San Vito Quarry, San Vito, Ercolano, Metropolitan City of Naples, Campania, Italy
01323890017272002506020.jpg
Cuspidine

San Vito Quarry, San Vito, Ercolano, Metropolitan City of Naples, Campania, Italy
Locality type:Quarry
Classification
Species:Cuspidine
Formula:Ca8(Si2O7)2F4
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Vesuvianite7
Phlogopite4
Humite Group3
Aragonite1
Kalsilite1
Data
Mineral Data:Click here to view Cuspidine data
Locality Data:Click here to view San Vito Quarry, San Vito, Ercolano, Metropolitan City of Naples, Campania, Italy
Photo GalleryView Gallery (19 photos)
Data Identifiers
Mindat Occurrence Record ID:4244
Long-form Identifier:1:3:4244:4
GUID (UUID V4):0
References
M. Carati: Guida alla mineralogia vesuviana. Bologna, Ed. Calderini (1982)
Balassone, Giuseppina, Scordari, Fernando, Lacalamita, Maria, Schingaro, Emanuela, Mormone, Angela, Piochi, Monica, Petti, Carmela, Mondillo, Nicola (2013) Trioctahedral micas in xenolithic ejecta from recent volcanism of the Somma-Vesuvius (Italy): Crystal chemistry and genetic inferences. Lithos, 160. 84-97 doi:10.1016/j.lithos.2012.12.004
 
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