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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Stilbite Subgroup from
Cengal glacier, Bondasca Valley, Upper Val Bregaglia, Bregaglia, Maloja Region, Grisons, Switzerland


Locality type:Glacier
Classification
Species:'Stilbite Subgroup' (not an IMA approved species)
Formula:M6-7[Al8-9Si27-28O72] · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Stilbite Subgroup data
Locality Data:Click here to view Cengal glacier, Bondasca Valley, Upper Val Bregaglia, Bregaglia, Maloja Region, Grisons, Switzerland
Data Identifiers
Mindat Occurrence Record ID:536503
Long-form Identifier:1:3:536503:6
GUID (UUID V4):0
Nearest other occurrences of Stilbite Subgroup
2.8km (1.7 miles) ⓘAlbigna glacier, Albigna Valley, Upper Val Bregaglia, Bregaglia, Maloja Region, Grisons, Switzerland
4.2km (2.6 miles) ⓘEast slope, Piz Cacciabella, Albigna Valley, Upper Val Bregaglia, Bregaglia, Maloja Region, Grisons, Switzerland
5.4km (3.4 miles) ⓘZocca Valley, Val Masino, Sondrio Province, Lombardy, Italy
6.2km (3.9 miles) ⓘGneiss quarry, Promontogno, Upper Val Bregaglia, Bregaglia, Maloja Region, Grisons, Switzerland
6.9km (4.3 miles) ⓘTumbler, Soglio, Upper Val Bregaglia, Bregaglia, Maloja Region, Grisons, Switzerland
10.6km (6.6 miles) ⓘSissone Valley, Chiesa in Valmalenco, Sondrio Province, Lombardy, Italy
10.9km (6.8 miles) ⓘPreda Rossa Valley, Val Masino, Sondrio Province, Lombardy, Italy
11.9km (7.4 miles) ⓘSchiesone Creek, Rifugio Il Biondo, Schiesone Valley, Prata Camportaccio, Sondrio Province, Lombardy, Italy
12.4km (7.7 miles) ⓘCassandra Glacier, Airale Valley, Torreggio Valley, Torre di Santa Maria, Sondrio Province, Lombardy, Italy
37.2km (23.1 miles) ⓘGneiss quarries, Arvigo, Calanca, Moesa Region, Grisons, Switzerland
References
Stalder, Hans Anton; Wagner, Albert; Graeser, Stefan; Stuker, Peter (1998) Mineralienlexikon der Schweiz. Wepf Verlag. 579pp.p.105
 
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