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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Goethite from
Omega Mine, Monument Mountain, Helvetia, Helvetia-Rosemont Mining District, Pima County, Arizona, USA


Locality type:Mine
Classification
Species:Goethite
Formula:Fe3+O(OH)
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Brochantite2
Malachite2
Azurite1
Limonite1
Siderite1
Quartz1
Data
Mineral Data:Click here to view Goethite data
Locality Data:Click here to view Omega Mine, Monument Mountain, Helvetia, Helvetia-Rosemont Mining District, Pima County, Arizona, USA
Photo GalleryView Gallery (4 photos)
Data Identifiers
Mindat Occurrence Record ID:47904
Long-form Identifier:1:3:47904:2
GUID (UUID V4):0
Nearest other occurrences of Goethite
6.1km (3.8 miles) Golden Gate Mine group, Rosemont (Rosemont Camp), Helvetia-Rosemont Mining District, Pima County, Arizona, USA
6.3km (3.9 miles) Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA
10.6km (6.6 miles) Yuba Mine (Inghram Mine), Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA
26.3km (16.3 miles) Twin Buttes Mine, Twin Buttes, Pima Mining District, Sierrita Mountains, Pima County, Arizona, USA
27.6km (17.2 miles) Glove Mine (Sunrise Mine), Glove Mine group (Zombie & Zeco claims; Festiago-Franklin; Blacksmith adit), Cottonwood Canyon, Tyndall Mining District, Santa Cruz County, Arizona, USA
32.1km (19.9 miles) J.C. Holmes Mine, Temporal Gulch, Wrightson Mining District, Santa Cruz County, Arizona, USA
34.0km (21.1 miles) Esperanza Mine [new], Pima Mining District, Sierrita Mountains, Pima County, Arizona, USA
41.0km (25.4 miles) Flux Mine, Flux Gulch, Alum Gulch, Harshaw Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA
45.1km (28.0 miles) Sunnyside & Volcano Mines (Sunnyside Mine group; Volcano-Sunnyside Mine; Sunnyside Mine), Alum Gulch, Harshaw Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA
45.1km (28.0 miles) Salvador Mine (Salvadore Mine; San Salvador Mine), Hermosa group, Hardshell Gulch, Harshaw, Harshaw Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA
References
 
and/or  
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