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


09544830017272010816410.jpg
Fluorite

Gneiss quarries, Arvigo, Calanca, Moesa Region, Grisons, Switzerland
04942460017272025779456.jpg
Fluorite

Gneiss quarries, Arvigo, Calanca, Moesa Region, Grisons, Switzerland
09508700017272025788168.jpg
Fluorite, etc.

Gneiss quarries, Arvigo, Calanca, Moesa Region, Grisons, Switzerland
02485870017272025808263.jpg
Fluorite, etc.

Gneiss quarries, Arvigo, Calanca, Moesa Region, Grisons, Switzerland
04289470017365522525609.jpg
Fluorite

Gneiss quarries, Arvigo, Calanca, Moesa Region, Grisons, Switzerland
01991040017370595281744.jpg
Fluorite

Gneiss quarries, Arvigo, Calanca, Moesa Region, Grisons, Switzerland
03630840017370595282718.jpg
Fluorite, etc.

Gneiss quarries, Arvigo, Calanca, Moesa Region, Grisons, Switzerland
06280980017370595281819.jpg
Fluorite, etc.

Gneiss quarries, Arvigo, Calanca, Moesa Region, Grisons, Switzerland
09544830017272010816410.jpg
Fluorite

Gneiss quarries, Arvigo, Calanca, Moesa Region, Grisons, Switzerland
04942460017272025779456.jpg
Fluorite

Gneiss quarries, Arvigo, Calanca, Moesa Region, Grisons, Switzerland
09508700017272025788168.jpg
Fluorite, etc.

Gneiss quarries, Arvigo, Calanca, Moesa Region, Grisons, Switzerland
02485870017272025808263.jpg
Fluorite, etc.

Gneiss quarries, Arvigo, Calanca, Moesa Region, Grisons, Switzerland
Locality type:Quarry
Classification
Species:Fluorite
Formula:CaF2
Habit:Octahedrons
Colour:Colourless, pink, pale green
Luminescent properties:Occasionally pink
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Epidote4
Chlorite Group1
Calcite1
Prehnite1
Titanite1
K Feldspar1
- var Adularia1
Clinochlore1
Data
Mineral Data:Click here to view Fluorite data
Locality Data:Click here to view Gneiss quarries, Arvigo, Calanca, Moesa Region, Grisons, Switzerland
Photo GalleryView Gallery (4 photos)
Data Identifiers
Mindat Occurrence Record ID:43530
Long-form Identifier:1:3:43530:3
GUID (UUID V4):0
Nearest other occurrences of Fluorite
10.9km (6.8 miles) ⓘIragna, Lodrino, Riviera, Riviera, Ticino, Switzerland
25.9km (16.1 miles) ⓘLavorgo, Faido, Leventina, Ticino, Switzerland
27.7km (17.2 miles) ⓘSterla Valley, Innerferrera (Calantgil), Ferrera, Viamala Region, Grisons, Switzerland
32.4km (20.1 miles) ⓘFrunthorn, Lake Zervreila, Vals Valley, Vals, Surselva Region, Grisons, Switzerland
33.1km (20.6 miles) ⓘTumbler, Soglio, Upper Val Bregaglia, Bregaglia, Maloja Region, Grisons, Switzerland
35.8km (22.2 miles) ⓘRetico lake, Campo Blenio, Camadra Valley, Blenio Valley, Blenio, Ticino, Switzerland
38.0km (23.6 miles) ⓘGneiss quarries, Riveo, Maggia, Vallemaggia, Ticino, Switzerland
40.0km (24.9 miles) ⓘAlbigna glacier, Albigna Valley, Upper Val Bregaglia, Bregaglia, Maloja Region, Grisons, Switzerland
40.6km (25.2 miles) ⓘStgegia Alp, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
40.9km (25.4 miles) ⓘMadonna d'Ongero, Carona, Lugano, Ticino, Switzerland
References
Stalder, Hans Anton; Wagner, Albert; Graeser, Stefan; Stuker, Peter (1998) Mineralienlexikon der Schweiz. Wepf Verlag. 579pp.P. 169, 474
Armbruster, Th., Stalder, H.A., Gnoss, E., Hofmann, B., and Herwegh, M. (2000) Epitaxy of hedenbergite whiskers on babingtonite in Alpine fissures at Arvigo, Val Calanca, Grisons, Switzerland. Schweizerische Mineralogische und Petrografische Mitteilungen, 80(3), 285-290
 
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