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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Zircon from
Grignaschi Quarry, Cosasca, Trontano, Verbano-Cusio-Ossola Province, Piedmont, Italy


00764850017369834079139.jpg
Zircon

Grignaschi Quarry, Cosasca, Trontano, Verbano-Cusio-Ossola Province, Piedmont, Italy
00764850017369834079139.jpg
Zircon

Grignaschi Quarry, Cosasca, Trontano, Verbano-Cusio-Ossola Province, Piedmont, Italy
07755270017272085093255.jpg
Zircon

Grignaschi Quarry, Cosasca, Trontano, Verbano-Cusio-Ossola Province, Piedmont, Italy
Locality type:Quarry
Classification
Species:Zircon
Formula:Zr(SiO4)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Zircon data
Locality Data:Click here to view Grignaschi Quarry, Cosasca, Trontano, Verbano-Cusio-Ossola Province, Piedmont, Italy
Data Identifiers
Mindat Occurrence Record ID:155117
Long-form Identifier:1:3:155117:4
GUID (UUID V4):0
Nearest other occurrences of Zircon
2.8km (1.8 miles) ⓘRio Graia, Trontano, Verbano-Cusio-Ossola Province, Piedmont, Italy
3.6km (2.2 miles) ⓘRio Margologio, Trontano, Verbano-Cusio-Ossola Province, Piedmont, Italy
5.9km (3.6 miles) ⓘPizzo Marcio South dyke, Pizzo Marcio, Trontano, Verbano-Cusio-Ossola Province, Piedmont, Italy
6.0km (3.7 miles) ⓘPizzo Marcio North dyke, Pizzo Marcio, Trontano, Verbano-Cusio-Ossola Province, Piedmont, Italy
6.2km (3.9 miles) ⓘPizzo Marcio South-East dyke, Pizzo Marcio, Trontano, Verbano-Cusio-Ossola Province, Piedmont, Italy
7.4km (4.6 miles) ⓘI Mondei (Ca' Mondei), Montescheno, Verbano-Cusio-Ossola Province, Piedmont, Italy
8.0km (5.0 miles) ⓘAlpe Rosso, Orcesco, Druogno, Verbano-Cusio-Ossola Province, Piedmont, Italy
10.3km (6.4 miles) ⓘColloro-(Premosello) pegmatite veins, Premosello-Chiovenda, Verbano-Cusio-Ossola Province, Piedmont, Italy
11.6km (7.2 miles) ⓘPremosello, Premosello-Chiovenda, Verbano-Cusio-Ossola Province, Piedmont, Italy
12.2km (7.6 miles) ⓘVal di Crana pegmatites, Val di Crana, Toceno, Verbano-Cusio-Ossola Province, Piedmont, Italy
References
Daniele Ravagnani - I giacimenti uraniferi italiani - Gruppo Min. Lombardo - Museo Civico di Storia Naturale di Milano, 1974
 
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