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
Seula mine, Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy


09119120017272005052497.jpg
Bertrandite

Seula mine, Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy
01090460017272002256755.jpg
Bertrandite

Seula mine, Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy
04855940017272002265663.jpg
Bertrandite, etc.

Seula mine, Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy
08511550017272002289616.jpg
Bertrandite

Seula mine, Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy
03352840017370469173412.jpg
Bertrandite

Seula mine, Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy
04584630017370469178125.jpg
Bertrandite

Seula mine, Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy
06369410017370469173443.jpg
Bertrandite, etc.

Seula mine, Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy
00275170017370469187566.jpg
Bertrandite

Seula mine, Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy
09119120017272005052497.jpg
Bertrandite

Seula mine, Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy
01090460017272002256755.jpg
Bertrandite

Seula mine, Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy
04855940017272002265663.jpg
Bertrandite, etc.

Seula mine, Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy
08511550017272002289616.jpg
Bertrandite

Seula mine, Mount Camoscio, Oltrefiume, Baveno, 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:
Bazzite5
Anatase3
Data
Mineral Data:Click here to view Bertrandite data
Locality Data:Click here to view Seula mine, Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy
Photo GalleryView Gallery (11 photos)
Data Identifiers
Mindat Occurrence Record ID:78224
Long-form Identifier:1:3:78224:7
GUID (UUID V4):0
Nearest other occurrences of Bertrandite
0.4km (0.2 miles) ⓘLocatelli quarry, Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy
21.1km (13.1 miles) ⓘPizzo Ragno (Northern slope), Alpe Campra (Campra), Antoliva Valley, Druogno, Verbano-Cusio-Ossola Province, Piedmont, Italy
21.7km (13.5 miles) ⓘPizzo Marcio South dyke, Pizzo Marcio, Trontano, Verbano-Cusio-Ossola Province, Piedmont, Italy
22.0km (13.7 miles) ⓘAlpe Campra (Campra), Antoliva Valley, Druogno, Verbano-Cusio-Ossola Province, Piedmont, Italy
22.0km (13.7 miles) ⓘPizzo Marcio North dyke, Pizzo Marcio, Trontano, Verbano-Cusio-Ossola Province, Piedmont, Italy
22.4km (13.9 miles) ⓘBeura quarries, Beura-Cardezza, Verbano-Cusio-Ossola Province, Piedmont, Italy
22.7km (14.1 miles) ⓘRastellina Quarry, Beura quarries, Beura-Cardezza, Verbano-Cusio-Ossola Province, Piedmont, Italy
23.7km (14.7 miles) ⓘRio Ragno, Druogno, Verbano-Cusio-Ossola Province, Piedmont, Italy
24.2km (15.0 miles) ⓘAlpe Rosso, Orcesco, Druogno, Verbano-Cusio-Ossola Province, Piedmont, Italy
24.2km (15.0 miles) ⓘPianasca Quarry, Villadossola, Verbano-Cusio-Ossola Province, Piedmont, Italy
References
Pezzotta, F.; Diella, V.; Guastoni, A. (1999) Chemical and paragenetic data on gadolinite-group minerals from Baveno and Cuasso al Monte, southern Alps, Italy. American Mineralogist, 84 (5). p.782-789.
 
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