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
Prince Mine group, Hilton Mines, Copper Camp, Hilton (Lead Mountain), Empire Mining District, Empire Mountains, Pima County, Arizona, USA


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 Prince Mine group, Hilton Mines, Copper Camp, Hilton (Lead Mountain), Empire Mining District, Empire Mountains, Pima County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:537364
Long-form Identifier:1:3:537364:2
GUID (UUID V4):0
Nearest other occurrences of Hornblende Root Name Group
13.2km (8.2 miles) ⓘHelvetia-Rosemont Mining District, Pima County, Arizona, USA
24.0km (14.9 miles) ⓘIron Mask Mine (Iron Mask prospect; McCleary prospect; Littleshot prospect), Jackson Mine group (McCleary group; Old Baldy Copper Mine; Rosa Mine; Hickory; Decatur), Jackson Canyon, Old Baldy Mining District, Pima County, Arizona, USA
29.9km (18.6 miles) ⓘTreasure Vault Mine, Agua Caliente Canyon, Tyndall Mining District, Santa Cruz County, Arizona, USA
31.7km (19.7 miles) ⓘMansfield Mine group (Mansfield No. 1 and 2), Mansfield Gulch (Mansfield Canyon), Temporal Gulch, Wrightson Mining District, Santa Cruz County, Arizona, USA
42.4km (26.3 miles) ⓘIron Cap Mine, Harshaw Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA
42.9km (26.7 miles) ⓘCalifornia Mine, Harshaw Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA
43.6km (27.1 miles) ⓘFlux Mine, Flux Gulch, Alum Gulch, Harshaw Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA
55.5km (34.5 miles) ⓘDuquesne-Washington Camp, Patagonia Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA
59.9km (37.2 miles) ⓘCenturion Mine, Centurion, Cochise Mining District, Cochise County, Arizona, USA
60.1km (37.3 miles) ⓘBurrito de Fierro Mine, Cochise Mining District, Cochise County, Arizona, USA
References
 
and/or  
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