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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Thomsonite-Ca from
Procida Island, Metropolitan City of Naples, Campania, Italy


09051610017371673426260.jpg
Thomsonite-Ca, etc.

Procida Island, Metropolitan City of Naples, Campania, Italy
01075410017751611348263.jpg
Thomsonite-Ca, etc.

Procida Island, Metropolitan City of Naples, Campania, Italy
09051610017371673426260.jpg
Thomsonite-Ca, etc.

Procida Island, Metropolitan City of Naples, Campania, Italy
01075410017751611348263.jpg
Thomsonite-Ca, etc.

Procida Island, Metropolitan City of Naples, Campania, Italy
09051610017371673426260.jpg
Thomsonite-Ca, etc.

Procida Island, Metropolitan City of Naples, Campania, Italy
01075410017751611348263.jpg
Thomsonite-Ca, etc.

Procida Island, Metropolitan City of Naples, Campania, Italy
Locality type:Commune
Classification
Species:Thomsonite-Ca
Formula:NaCa2[Al5Si5O20] · 6H2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Analcime3
Biotite3
Augite2
Data
Mineral Data:Click here to view Thomsonite-Ca data
Locality Data:Click here to view Procida Island, Metropolitan City of Naples, Campania, Italy
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:670299
Long-form Identifier:1:3:670299:1
GUID (UUID V4):0
Nearest other occurrences of Thomsonite-Ca
6.0km (3.7 miles) ⓘTorregaveta, Bacoli, Metropolitan City of Naples, Campania, Italy
31.0km (19.3 miles) ⓘMontone Quarry, Ercolano, Metropolitan City of Naples, Campania, Italy
31.6km (19.6 miles) ⓘLe Novelle Quarry, Ercolano, Metropolitan City of Naples, Campania, Italy
32.0km (19.9 miles) ⓘSan Vito Quarry, San Vito, Ercolano, Metropolitan City of Naples, Campania, Italy
33.1km (20.6 miles) ⓘPollena quarries, Pollena Trocchia, Metropolitan City of Naples, Campania, Italy
33.9km (21.0 miles) ⓘCupa dell'Olivella, Sant'Anastasia, Metropolitan City of Naples, Campania, Italy
35.7km (22.2 miles) ⓘLagno Amendolare, Sant'Anastasia, Metropolitan City of Naples, Campania, Italy
38.3km (23.8 miles) ⓘVitiello Quarry (Cava Vitiello), Terzigno, Metropolitan City of Naples, Campania, Italy
References
Russo, M. (2008) Zeolites from Campi Flegrei, Bollettino AIZ Series/Report, Vol. 31 (2008), Publisher: Associazione Italiana Zeoliti onlus
Russo, M. (2010) I minerali dell'Isola di Procida. Poster. Publisher: Associazione Vivara Onlus.
 
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