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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Hollandite from
79 Mine, Chilito, Hayden area, Banner Mining District, Gila County, Arizona, USA


Locality type:Mine
Classification
Species:Hollandite
Formula:Ba(Mn64+Mn23+)O16
Comments:A constituent of wad.
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Hemimorphite
Wad
Data
Mineral Data:Click here to view Hollandite data
Locality Data:Click here to view 79 Mine, Chilito, Hayden area, Banner Mining District, Gila County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:22651
Long-form Identifier:1:3:22651:0
GUID (UUID V4):0
Nearest other occurrences of Hollandite
41.2km (25.6 miles) ⓘReymert Mine, Reymert Canyon, Mineral Mountain Mining District, Pinal County, Arizona, USA
41.6km (25.9 miles) ⓘFord Mine, Tucson Wash, Mammoth, Mammoth Mining District, Pinal County, Arizona, USA
41.7km (25.9 miles) ⓘMammoth-Saint Anthony Mine, St. Anthony deposit, Tiger, Mammoth Mining District, Pinal County, Arizona, USA
References
Keith, Stanley B. (1972) Mineralogy and Paragenesis of the 79 Mine Lead-Zinc-Copper Deposit [Arizona]. The Mineralogical Record, 3 (6) 247-264
Anthony, John W.; Williams, Sidney A.; Bideaux, Richard A.; Grant, Raymond W. (1995) Mineralogy of Arizona (3rd ed.). University of Arizona Press.p.252
 
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