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Hellandite-(Ce) from
Tre Croci, Vetralla, Viterbo Province, Lazio, Italy


06987120017272470914521.jpg
Hellandite-(Ce)

Tre Croci, Vetralla, Viterbo Province, Lazio, Italy
06306420017272001515925.jpg
Hellandite-(Ce)

Tre Croci, Vetralla, Viterbo Province, Lazio, Italy
06335310017272001529133.jpg
Hellandite-(Ce)

Tre Croci, Vetralla, Viterbo Province, Lazio, Italy
01476110017272001542594.jpg
Hellandite-(Ce)

Tre Croci, Vetralla, Viterbo Province, Lazio, Italy
01473970017369325327380.jpg
Hellandite-(Ce)

Tre Croci, Vetralla, Viterbo Province, Lazio, Italy
06742990017369325329472.jpg
Hellandite-(Ce)

Tre Croci, Vetralla, Viterbo Province, Lazio, Italy
03222780017362438628860.jpg
Hellandite-(Ce)

Tre Croci, Vetralla, Viterbo Province, Lazio, Italy
09797260017369325324985.jpg
Hellandite-(Ce)

Tre Croci, Vetralla, Viterbo Province, Lazio, Italy
06987120017272470914521.jpg
Hellandite-(Ce)

Tre Croci, Vetralla, Viterbo Province, Lazio, Italy
01212610017272001568070.jpg
Hellandite-(Ce)

Tre Croci, Vetralla, Viterbo Province, Lazio, Italy
06335310017272001529133.jpg
Hellandite-(Ce)

Tre Croci, Vetralla, Viterbo Province, Lazio, Italy
01476110017272001542594.jpg
Hellandite-(Ce)

Tre Croci, Vetralla, Viterbo Province, Lazio, Italy
Locality type:Village
Classification
Species:Hellandite-(Ce)
Formula:(Ca,REE)4Ce2Al◻2(B4Si4O22) (OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Hellandite-(Ce) data
Locality Data:Click here to view Tre Croci, Vetralla, Viterbo Province, Lazio, Italy
Photo GalleryView Gallery (10 photos)
Data Identifiers
Mindat Occurrence Record ID:617707
Long-form Identifier:1:3:617707:2
GUID (UUID V4):0
Nearest other occurrences of Hellandite-(Ce)
2.4km (1.5 miles) ⓘPian di San Martino, Vetralla, Viterbo Province, Lazio, Italy
6.2km (3.8 miles) ⓘCassia Road km 61.5, Capranica, Viterbo Province, Lazio, Italy
8.0km (5.0 miles) ⓘCampo Padella, Capranica, Viterbo Province, Lazio, Italy
31.5km (19.5 miles) ⓘPianciano carbonatite, Cerveteri, Metropolitan City of Rome Capital, Lazio, Italy
36.6km (22.8 miles) ⓘBiachella Valley, Sacrofano, Metropolitan City of Rome Capital, Lazio, Italy
References
Boiocchi, M. (2006) The crystal structure of piergorite-(Ce), Ca8Ce2(Al0.5 Fe0.53+)Σ1([],Li,Be)2Si6B8O36(OH,F)2: A new borosilicate from Vetralla, Italy, with a modified hellandite-type chain. American Mineralogist, 91 (7). 1170-1177 doi:10.2138/am.2006.2139
 
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