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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Malachite 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:Malachite
Formula:Cu2(CO3)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Malachite 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:536688
Long-form Identifier:1:3:536688:0
GUID (UUID V4):0
Nearest other occurrences of Malachite
0.4km (0.3 miles) ⓘDaylight Mine (York Mine), Daylight-Narragansett Mines (Narragansett-Daylight Mines), Rosemont (Rosemont Camp), Helvetia-Rosemont Mining District, Pima County, Arizona, USA
0.7km (0.4 miles) ⓘBroad Top Mine, Helvetia-Rosemont Mining District, Pima County, Arizona, USA
0.9km (0.6 miles) ⓘEclipse Mine group, Helvetia, 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
1.1km (0.7 miles) ⓘCentral claim, Rosemont (Rosemont Camp), Helvetia-Rosemont Mining District, Pima County, Arizona, USA
1.2km (0.7 miles) ⓘOld Pap Mine, Old Pap-Old Put Mines, Rosemont (Rosemont Camp), Helvetia-Rosemont Mining District, Pima County, Arizona, USA
1.3km (0.8 miles) ⓘCurtis Mine, Frijole claim group, Helvetia, Helvetia-Rosemont Mining District, Pima County, Arizona, USA
1.4km (0.9 miles) ⓘEast Helvetia deposit (Helvetia East Mine; Helvetia Mine; Rosemont deposit), Rosemont (Rosemont Camp), 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
1.5km (0.9 miles) ⓘIsle Royal Mine, Isle Royal Mine group, Helvetia, Helvetia-Rosemont Mining District, Pima County, Arizona, USA
References
MRDS database Dep. ID file #10039412, MRDS ID #M050046.
 
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