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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Bull Quartz from
Willow Spring Ranch area (Willow Springs Ranch area), Oracle, Oracle Mining District, Pinal County, Arizona, USA


Locality type:Area
Classification
Species:Quartz var: Bull Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Bull Quartz data
Locality Data:Click here to view Willow Spring Ranch area (Willow Springs Ranch area), Oracle, Oracle Mining District, Pinal County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:1662016
Long-form Identifier:1:3:1662016:0
GUID (UUID V4):0
References
William W. Besse CollectionIdentified by William W. Besse: Visual Identification
 
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