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
Silver Hill Mine group, Silver Hill, Silver Hill Mining District, Waterman Mining District, Pima County, Arizona, USA


Locality type:Mine
Classification
Species:Willemite
Formula:Zn2SiO4
Comments:Occurs near head of the inclined surface tram.
Habit:Small, barrel-shaped
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Willemite data
Locality Data:Click here to view Silver Hill Mine group, Silver Hill, Silver Hill Mining District, Waterman Mining District, Pima County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:11773
Long-form Identifier:1:3:11773:5
GUID (UUID V4):0
Nearest other occurrences of Willemite
33.1km (20.6 miles) ⓘOld Yuma Mine, Tucson Mountain District Saguaro National Park, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
33.4km (20.8 miles) ⓘGila Monster Mine, Jaynes, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
48.7km (30.3 miles) ⓘJackrabbit Mine, Tat Momoli area, Casa Grande Mining District, Pinal County, Arizona, USA
48.8km (30.3 miles) ⓘTurning Point Mine, Tat Momoli area, Casa Grande Mining District, Pinal County, Arizona, USA
51.9km (32.3 miles) ⓘSilver Reef Mine (Reef Mine; Cholla Mine; Silver Nugget Mine), White Horse Pass area, Silver Reef Mountains area, Chuichu area, Tat Momoli Mountains, Silver Reef Mining District, Pinal County, Arizona, USA
55.0km (34.2 miles) ⓘMildren Mine (Mildren claim; Mildred Mine), Mildren Mine group, Ko Vaya, Cababi Mining District (Comobabi Mining District), Comobabi Mountains, Pima County, Arizona, USA
55.4km (34.4 miles) ⓘSteppe Mine (Steppe claim; Little Mary Mine), Mildren Mine group, Ko Vaya, Cababi Mining District (Comobabi Mining District), Comobabi Mountains, Pima County, Arizona, USA
60.8km (37.8 miles) ⓘReward Mine (Bat tunnel; South Reward; Petrochis claim; Phenomenon), Kohatk, Vekol Mining District, Vekol Mountains, Pinal County, Arizona, USA
61.6km (38.3 miles) ⓘPaul Hinshaw property (New Ore Mine [?]), Casa Grande, Cimarron Mountains, Cimarron Mining District (Salt Well Mining District), Cimarron & Sheridan Mountains, Pima County, Arizona, USA
68.9km (42.8 miles) ⓘVekol Mine, Sif Vaya area, Vekol Mining District, Vekol Mountains, Pinal County, Arizona, USA
References
Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 96.
Stolburg, Craig S. (1988) Osarizawaite from the Silver Hill Mine, Arizona. The Mineralogical Record, 19 (5) 311-313
 
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