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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Opal from
Fat Jack Mine, Lane Mountain, Crown King, Pine Grove Mining District, Bradshaw Mountains (Bradshaw Range), Yavapai County, Arizona, USA


Locality type:Mine
Classification
Species:Opal
Formula:SiO2 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Opal data
Locality Data:Click here to view Fat Jack Mine, Lane Mountain, Crown King, Pine Grove Mining District, Bradshaw Mountains (Bradshaw Range), Yavapai County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:43796
Long-form Identifier:1:3:43796:7
GUID (UUID V4):0
Nearest other occurrences of Opal
16.3km (10.1 miles) ⓘGreat Cross Cut prospect (Pearl adit; Johnston group; Glory Hole; Thompson Mine), Bradshaw Mountains (Bradshaw Range), Yavapai County, Arizona, USA
19.9km (12.4 miles) ⓘCastle Hot Springs, Castle Creek Mining District, Bradshaw Mountains (Bradshaw Range), Yavapai County, Arizona, USA
29.0km (18.0 miles) ⓘBurmeister Mine (Bunker & Burmeister claims; Bunker claim; Black Magic Mine; Victory Manganese Mine), Agua Fria River, Mayer, Yavapai County, Arizona, USA
35.0km (21.8 miles) ⓘCopper Queen Mine, Mayer, Agua Fria Mining District, Bradshaw Mountains (Bradshaw Range), Yavapai County, Arizona, USA
43.6km (27.1 miles) ⓘMorristown, Maricopa County, Arizona, USA
47.7km (29.6 miles) ⓘQueen of Sheba Mine (La Aguila patented claim; La Firmos Mine), Maricopa County, Arizona, USA
60.5km (37.6 miles) ⓘVerde River deposit, Camp Verde, Camp Verde Mining District, Yavapai County, Arizona, USA
60.5km (37.6 miles) ⓘVulture, Vulture Mining District, Maricopa County, Arizona, USA
85.8km (53.3 miles) ⓘMoon Anchor Mine, Hummingbird Springs, Osborn Mining District, Maricopa County, Arizona, USA
93.8km (58.3 miles) ⓘBagdad Mine, Bagdad, Eureka Mining District, Yavapai County, Arizona, USA
References
Scovil, Jeffrey A., Wagner, Les (1991) The Fat Jack Mine, Yavapai County, Arizona. The Mineralogical Record, 22 (1) 21-28pp.21-21
 
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