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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Epistilbite from
Gneiss quarries, Arvigo, Calanca, Moesa Region, Grisons, Switzerland


Locality type:Quarry
Classification
Species:Epistilbite
Formula:CaAl2Si6O16 · 5H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Epistilbite data
Locality Data:Click here to view Gneiss quarries, Arvigo, Calanca, Moesa Region, Grisons, Switzerland
Data Identifiers
Mindat Occurrence Record ID:548578
Long-form Identifier:1:3:548578:9
GUID (UUID V4):0
Nearest other occurrences of Epistilbite
29.1km (18.1 miles) ⓘSan Giorgio, Codera Valley, Novate Mezzola, Sondrio Province, Lombardy, Italy
31.6km (19.6 miles) ⓘPiana Valley, Codera Valley, Novate Mezzola, Sondrio Province, Lombardy, Italy
34.3km (21.3 miles) ⓘAverta Valley (Northern Glacial Cirque), Codera Valley, Novate Mezzola, Sondrio Province, Lombardy, Italy
47.4km (29.5 miles) ⓘAlpe Marco inferiore, Rio Vasca, Craveggia, Verbano-Cusio-Ossola Province, Piedmont, Italy
47.6km (29.6 miles) ⓘMuretto Valley, Val Forno, Upper Val Bregaglia, Bregaglia, Maloja Region, Grisons, Switzerland
47.8km (29.7 miles) ⓘSissone Valley, Chiesa in Valmalenco, Sondrio Province, Lombardy, Italy
77.7km (48.3 miles) ⓘGibelbach, Fiesch, Goms, Valais, Switzerland
88.7km (55.1 miles) ⓘMonte Maurignino, Grosio, Sondrio Province, Lombardy, Italy
References
Weiß, Stefan; Forster, Otmar (1997) Arvigo, Val Calanca: Kluftmineralien aus dem Süden Graubündens [Arvigo, Val Calanca: Cleft minerals from southern Graubünden]. Lapis, 22 (6). 13-42; 62
Stalder, Hans Anton; Wagner, Albert; Graeser, Stefan; Stuker, Peter (1998) Mineralienlexikon der Schweiz. Wepf Verlag. 579pp.P. 153, 474
 
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