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Afghanite from
Mount Somma, Somma-Vesuvius Complex, Naples, Campania, Italy


Locality type:Mountain
Classification
Species:Afghanite
Formula:(Na,K)22Ca10(Si24Al24O96)(SO4)6Cl6
Comments:The mineral named "natrodavyne" by Zambonini (1910) [see also Pelloux (1927) and Zambonini (1936)] is afghanite (Parodi et al., 1996).

At Monte Somma, afghanite occurs in association with vesuvianite in cavities of metamorphosed calcareous ejecta with orbicular texture; and also, as crystal up to 10 mm in size, in druses with garnet, biotite, sanidine, and pyroxene.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Afghanite data
Locality Data:Click here to view Mount Somma, Somma-Vesuvius Complex, Naples, Campania, Italy
Data Identifiers
Mindat Occurrence Record ID:137245
Long-form Identifier:1:3:137245:8
GUID (UUID V4):573b66ad-202e-4175-82f1-3bd8dfb16049
References
Reference Search (possible matching items)
Journal (article/letter/editorial)
Department of Geology and Geography Auburn Universit Afghanite Sar-e-Sang, Badakhshan Province, Afghanistan ...peculiar minerals. Compositionally, most appear to be complex chemical repositories whose major purpose seems...though much rarer, are exceptional crystals of afghanite, a mineral that was only formally described as...late 1960s (Bariand 1968). An unusually fine afghanite specimen from this find has been nominated for...for this issue’s Connoisseur’s Choice (fig. 1). Afghanite is typically blue, though it tends toward colorless
Book
Guastoni; Roberto Appiani. Originally published: Italy : Mondadori, 2003. [256] p. : col. photos. ; cm...and the Federico II Museum of the University of Naples. Some specimens were made available by private...Susa Valley, Piedmont, Italy Pages 8-9: Beryl from the Codera Valley, Lombardy, Italy Pages 42-43: Silver...crystals from Mount Bregaceto, Liguria, Italy Pages 104-105: Azurite crystals from Sardinia, Italy Pages 118-119:...160-161: Elbaite crystals from the island of Elba, Italy Pages 244-245: Whewellite crystals from the Czech
Book
Guastoni; Roberto Appiani. Originally published: Italy: Mondadori, 2003. (256} p. : col. phptos. ; cm....and the Federico II Museum of the University of Naples. Some specimens were made available by private...Valley, Piedmont, Italy Pages 8- 9: 13eryl from the Codera Valley, Lombardy, Italy Pages 42- 43: Silver...crystals from Mount Bregaceto, Liguria, Italy Pages 104-105: Azurite crystals from Sardinia, Italy Pages 118-119:...160-161: Elbaite crystals from the island of Elba, Italy Pages 244-245: Whewellite crystals from the Czech
Journal (issue)
grossular, 3.3 cm, from the Mussa Alp, Piemonte, Italy. (2) Augite, 2.6 cm, from Fassatal, Tirol, Austria...Switzerland. (11) Tourmaline, 2.6 cm, from Elba, Italy. Refined Elegance The Small Treasures of Mineralogy...Gerais, Brazil. (4) Humite, 2.3 cm, from Mount Somma, Italy. (5) Palladium, 2.1 cm, from Brazil. (6)...2.8 cm, from San Piero in Campo, Elba, Sicily, Italy. This specimen was originally acquired in 1916 by...fluorapatite, 2.2 cm, from the Pulsifer quarry, Mount Apatite district near Auburn, Maine. Harvard Mineralogical
Book (edition)
megapascal(s) * No Greek letter symbols appear 2. Complex units are developed by multiplying or dividing...fractured (Shand, 1947). Modern thought ascribes more complex origins to mineral deposits. AGI abyssal zone The...b. The reciprocal of impedance or the ratio of complex current to voltage in a linear circuit. AGI adobe...colorless crystals in Sweden. ammine One of a group of complex compounds formed by coordination of ammonia molecules...minerals of low density are changed into more complex ones of greater density by silication, decarbonization
 
Mineral and/or Locality  
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