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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Willemite from
Evening Star Mine, Tiger Wash, Tonopah, Osborn Mining District, Maricopa County, Arizona, USA


Locality type:Mine
Classification
Species:Willemite
Formula:Zn2SiO4
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Wickenburgite1
Data
Mineral Data:Click here to view Willemite data
Locality Data:Click here to view Evening Star Mine, Tiger Wash, Tonopah, Osborn Mining District, Maricopa County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:150528
Long-form Identifier:1:3:150528:3
GUID (UUID V4):0
Nearest other occurrences of Willemite
19.7km (12.3 miles) ⓘMoon Anchor Mine, Hummingbird Springs, Osborn Mining District, Maricopa County, Arizona, USA
21.2km (13.2 miles) ⓘBlack Pearl Mine (Black Glory 1-14 claims), Vulture Mining District, Maricopa County, Arizona, USA
24.1km (15.0 miles) ⓘPotter-Cramer Mine, Vulture Mining District, Maricopa County, Arizona, USA
26.8km (16.7 miles) ⓘTonopah-Belmont Mine, Belmont Mountain, Tonopah, Osborn Mining District, Maricopa County, Arizona, USA
52.7km (32.8 miles) ⓘRat Tail claim (Pack Rat claim), Belmont Mountains, Maricopa County, Arizona, USA
54.2km (33.7 miles) ⓘPee Wee Mine group, Ellsworth Mining District, Granite Wash Mountains, La Paz County, Arizona, USA
63.5km (39.5 miles) ⓘS and O claims (S & O claims; Amethyst Hill; Dave Haneline Memorial Mine), Wickenburg, Yavapai County, Arizona, USA
65.8km (40.9 miles) ⓘGreat Southern Mine, Monarch Wash area, Black Rock Mining District, Yavapai County, Arizona, USA
69.9km (43.4 miles) ⓘLucky Strike claim, Maricopa County, Arizona, USA
72.0km (44.7 miles) ⓘPurple Passion Mine, Morgan Butte, Big Bug Mining District, Bradshaw Mountains (Bradshaw Range), Yavapai County, Arizona, USA
References
 
and/or  
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