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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Hornblende Root Name Group from
Val Buona (Val Bona), Ornavasso, Verbano-Cusio-Ossola Province, Piedmont, Italy


Locality type:Valley
Classification
Species:'Hornblende Root Name Group' (not an IMA approved species)
Formula:◻Ca2(C42+C3+)(AlSi7O22)W2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Hornblende Root Name Group data
Locality Data:Click here to view Val Buona (Val Bona), Ornavasso, Verbano-Cusio-Ossola Province, Piedmont, Italy
Data Identifiers
Mindat Occurrence Record ID:936330
Long-form Identifier:1:3:936330:4
GUID (UUID V4):0
Nearest other occurrences of Hornblende Root Name Group
2.4km (1.5 miles) ⓘMigiandone Mine (Miggiandone), Ornavasso, Verbano-Cusio-Ossola Province, Piedmont, Italy
2.5km (1.5 miles) ⓘSan Pietro Quarry (San Pietro Oratory), Nibbio, Mergozzo, Verbano-Cusio-Ossola Province, Piedmont, Italy
5.2km (3.2 miles) ⓘMonte Eyehorn pegmatites (Monte Ehie Horn pegmatites), Valstrona, Verbano-Cusio-Ossola Province, Piedmont, Italy
5.8km (3.6 miles) ⓘMont'Orfano (Montorfano), Mergozzo, Verbano-Cusio-Ossola Province, Piedmont, Italy
16.3km (10.1 miles) ⓘRio Margologio, Trontano, Verbano-Cusio-Ossola Province, Piedmont, Italy
21.9km (13.6 miles) ⓘCani Mine, Vanzone con San Carlo, Verbano-Cusio-Ossola Province, Piedmont, Italy
21.9km (13.6 miles) ⓘValmaggia, Cravagliana, Vercelli Province, Piedmont, Italy
22.0km (13.7 miles) ⓘCrevoladossola Quarry, Crevoladossola, Verbano-Cusio-Ossola Province, Piedmont, Italy
23.9km (14.9 miles) ⓘAlpe Marco inferiore, Rio Vasca, Craveggia, Verbano-Cusio-Ossola Province, Piedmont, Italy
24.0km (14.9 miles) ⓘAntronapiana, Antrona Schieranco, Verbano-Cusio-Ossola Province, Piedmont, Italy
References
 
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