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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Bertrandite from
Beura quarries, Beura-Cardezza, Verbano-Cusio-Ossola Province, Piedmont, Italy


05872280017272005043026.jpg
Bertrandite

Maddalena quarry, Beura quarries, Beura-Cardezza, Verbano-Cusio-Ossola Province, Piedmont, Italy
07761480017272257596232.jpg
Bertrandite

Beura quarries, Beura-Cardezza, Verbano-Cusio-Ossola Province, Piedmont, Italy
04425630017272257605109.jpg
Bertrandite

Rastellina Quarry, Beura quarries, Beura-Cardezza, Verbano-Cusio-Ossola Province, Piedmont, Italy
00893990017272257618170.jpg
Bertrandite

Rastellina Quarry, Beura quarries, Beura-Cardezza, Verbano-Cusio-Ossola Province, Piedmont, Italy
05872280017272005043026.jpg
Bertrandite

Maddalena quarry, Beura quarries, Beura-Cardezza, Verbano-Cusio-Ossola Province, Piedmont, Italy
09302480017374448124439.jpg
Bertrandite

Beura quarries, Beura-Cardezza, Verbano-Cusio-Ossola Province, Piedmont, Italy
02730600017374448137273.jpg
Bertrandite

Rastellina Quarry, Beura quarries, Beura-Cardezza, Verbano-Cusio-Ossola Province, Piedmont, Italy
04835030017374448136191.jpg
Bertrandite

Rastellina Quarry, Beura quarries, Beura-Cardezza, Verbano-Cusio-Ossola Province, Piedmont, Italy
05872280017272005043026.jpg
Bertrandite

Maddalena quarry, Beura quarries, Beura-Cardezza, Verbano-Cusio-Ossola Province, Piedmont, Italy
07761480017272257596232.jpg
Bertrandite

Beura quarries, Beura-Cardezza, Verbano-Cusio-Ossola Province, Piedmont, Italy
04425630017272257605109.jpg
Bertrandite

Rastellina Quarry, Beura quarries, Beura-Cardezza, Verbano-Cusio-Ossola Province, Piedmont, Italy
05072110017272354473490.jpg
Bertrandite

Rastellina Quarry, Beura quarries, Beura-Cardezza, Verbano-Cusio-Ossola Province, Piedmont, Italy
Locality type:Quarry
Classification
Species:Bertrandite
Formula:Be4(Si2O7)(OH)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Albite1
Quartz1
Data
Mineral Data:Click here to view Bertrandite data
Locality Data:Click here to view Beura quarries, Beura-Cardezza, Verbano-Cusio-Ossola Province, Piedmont, Italy
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:428161
Long-form Identifier:1:3:428161:0
GUID (UUID V4):0
Localities for Bertrandite in this Region
Rastellina Quarry, Beura quarries, Beura-Cardezza, Verbano-Cusio-Ossola Province, Piedmont, Italy
Nearest other occurrences of Bertrandite
0.7km (0.4 miles) ⓘRastellina Quarry, Beura quarries, Beura-Cardezza, Verbano-Cusio-Ossola Province, Piedmont, Italy
3.0km (1.9 miles) ⓘPianasca Quarry, Villadossola, Verbano-Cusio-Ossola Province, Piedmont, Italy
4.9km (3.0 miles) ⓘGrignaschi Quarry, Cosasca, Trontano, Verbano-Cusio-Ossola Province, Piedmont, Italy
7.7km (4.8 miles) ⓘRio Margologio, Trontano, Verbano-Cusio-Ossola Province, Piedmont, Italy
8.5km (5.3 miles) ⓘPizzo Marcio South dyke, Pizzo Marcio, Trontano, Verbano-Cusio-Ossola Province, Piedmont, Italy
8.8km (5.5 miles) ⓘPizzo Marcio North dyke, Pizzo Marcio, Trontano, Verbano-Cusio-Ossola Province, Piedmont, Italy
10.2km (6.3 miles) ⓘAlpe Campra (Campra), Antoliva Valley, Druogno, Verbano-Cusio-Ossola Province, Piedmont, Italy
10.5km (6.5 miles) ⓘCastelluccio Quarry, Montecrestese, Verbano-Cusio-Ossola Province, Piedmont, Italy
10.8km (6.7 miles) ⓘPizzo Ragno (Northern slope), Alpe Campra (Campra), Antoliva Valley, Druogno, Verbano-Cusio-Ossola Province, Piedmont, Italy
11.7km (7.3 miles) ⓘAlpe Rosso, Orcesco, Druogno, Verbano-Cusio-Ossola Province, Piedmont, Italy
References
Preite, Domenico; Mattioli, Vittorio; Cini, Valerio; Besana, Giuseppe (1997) Die Mineralien von Beura und Villadossola (NO), Oberitalien [The minerals of Beura and Villadossola (NO), Northern Italy]. Lapis, 22 (5). 13-26; 50
 
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