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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Garnet Group from
Narragansett Mine (Narragansett claim; Narragansett Bay claim; Olcutt claim), Daylight-Narragansett Mines (Narragansett-Daylight Mines), Rosemont (Rosemont Camp), Helvetia-Rosemont Mining District, Pima County, Arizona, USA


Locality type:Mine
Classification
Species:'Garnet Group' (not an IMA approved species)
Formula:X3Z2(SiO4)3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Garnet Group data
Locality Data:Click here to view Narragansett Mine (Narragansett claim; Narragansett Bay claim; Olcutt claim), Daylight-Narragansett Mines (Narragansett-Daylight Mines), Rosemont (Rosemont Camp), Helvetia-Rosemont Mining District, Pima County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:245252
Long-form Identifier:1:3:245252:4
GUID (UUID V4):0
Nearest other occurrences of Garnet Group
1.0km (0.6 miles) ⓘKinoite type locality drill hole, Helvetia-Rosemont Mining District, Pima County, Arizona, USA
1.0km (0.7 miles) ⓘExile King Mine, Helvetia, Helvetia-Rosemont Mining District, Pima County, Arizona, USA
1.4km (0.9 miles) ⓘOmega Mine, Monument Mountain, Helvetia, Helvetia-Rosemont Mining District, Pima County, Arizona, USA
1.6km (1.0 miles) ⓘSanta Rita Mountains Mine, Helvetia-Rosemont Mining District, Pima County, Arizona, USA
1.7km (1.1 miles) ⓘLeader Mine, Leader Hill, Helvetia, Helvetia-Rosemont Mining District, Pima County, Arizona, USA
1.8km (1.1 miles) ⓘCopper World Mine, Helvetia, Helvetia-Rosemont Mining District, Pima County, Arizona, USA
2.5km (1.5 miles) ⓘHeavy Weight Mine, Heavy Weight Hill, Helvetia, Helvetia-Rosemont Mining District, Pima County, Arizona, USA
3.1km (1.9 miles) ⓘElgin Mine, Elgin Mine group, Peach-Elgin copper deposit, Helvetia-Rosemont Mining District, Pima County, Arizona, USA
3.3km (2.0 miles) ⓘHelvetia-Rosemont Mining District, Pima County, Arizona, USA
4.1km (2.5 miles) ⓘPeach Mine, Peach-Elgin copper deposit, Helvetia-Rosemont Mining District, Pima County, Arizona, USA
References
Creasey, S.C. & G.L. Quick (1955), Copper deposits of part of Helvetia Mining district, Pima Co., AZ, USGS Bull. 1027-F: 318-319
 
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