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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Ferro-hornblende from
Gringo Mine (Gringo Mine group of claims; Francis group of claims; Temporal group of claims), Temporal Gulch, Wrightson Mining District, Santa Cruz County, Arizona, USA


Locality type:Mine
Classification
Species:Ferro-hornblende
Formula:◻Ca2(Fe42+Al)(Si7Al)O22(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Ferro-hornblende data
Locality Data:Click here to view Gringo Mine (Gringo Mine group of claims; Francis group of claims; Temporal group of claims), Temporal Gulch, Wrightson Mining District, Santa Cruz County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:529341
Long-form Identifier:1:3:529341:4
GUID (UUID V4):0
References
MRDS database Dep. ID file #10037110, MRDS ID #M030418.
 
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