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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Amethyst from
Miller Canyon, Cochise County, Arizona, USA


Locality type:Canyon
Classification
Species:Quartz var: Amethyst
Formula:SiO2
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Data
Mineral Data:Click here to view Amethyst data
Locality Data:Click here to view Miller Canyon, Cochise County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:765425
Long-form Identifier:1:3:765425:1
GUID (UUID V4):0
Nearest other occurrences of Amethyst
35.0km (21.8 miles) ⓘCole Mine, Bisbee, Cochise County, Arizona, USA
39.1km (24.3 miles) ⓘDuquesne-Washington Camp, Patagonia Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA
69.4km (43.2 miles) ⓘCommonwealth Mine, Pearce, Pearce Mining District, Pearce Hills, Sulphur Springs Valley, Cochise County, Arizona, USA
76.8km (47.7 miles) ⓘWhite Oak Mine, Walker Canyon, Big Steve - White Oak group, Pajarito Mining District, Pajarito Mountains, Santa Cruz County, Arizona, USA
77.4km (48.1 miles) ⓘBig Steve Mine, Pena Blanca Lake, Big Steve - White Oak group, Pajarito Mining District, Pajarito Mountains, Santa Cruz County, Arizona, USA
77.5km (48.2 miles) ⓘMorning & Evening Mine group (Morning and Evening Mine; Morning Mine), Pajarito Mining District, Pajarito Mountains, Santa Cruz County, Arizona, USA
78.3km (48.7 miles) ⓘSt. Patrick Mine (Saint Patrick Mine), Pajarito District (Nogales District), Pajarito Mountains, Santa Cruz County, Arizona, USA
References
C. Wellington Rose, II
 
and/or  
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