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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Pyrolusite from
Mystery Mine, Costello Mine group, Gleeson, Turquoise Mining District (Courtland-Gleeson Mining District), Cochise County, Arizona, USA


00524010017364133562779.jpg
Pyrolusite

Mystery Mine, Costello Mine group, Gleeson, Turquoise Mining District, Cochise County, Arizona, USA
00524010017364133562779.jpg
Pyrolusite

Mystery Mine, Costello Mine group, Gleeson, Turquoise Mining District, Cochise County, Arizona, USA
01518040017272734382817.jpg
Pyrolusite

Mystery Mine, Costello Mine group, Gleeson, Turquoise Mining District, Cochise County, Arizona, USA
Locality type:Mine
Classification
Species:Pyrolusite
Formula:Mn4+O2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrolusite data
Locality Data:Click here to view Mystery Mine, Costello Mine group, Gleeson, Turquoise Mining District (Courtland-Gleeson Mining District), Cochise County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:533290
Long-form Identifier:1:3:533290:8
GUID (UUID V4):0
Nearest other occurrences of Pyrolusite
0.4km (0.3 miles) ⓘSilver Bill Mine, Costello Mine group, Gleeson, Turquoise Mining District (Courtland-Gleeson Mining District), Cochise County, Arizona, USA
0.8km (0.5 miles) ⓘTom Scott Mine, Tejon group (Tejon Mining Company property), Gleeson, Turquoise Mining District (Courtland-Gleeson Mining District), Cochise County, Arizona, USA
6.2km (3.9 miles) ⓘCopper Rocks Mine, Turquoise Mining District (Courtland-Gleeson Mining District), Cochise County, Arizona, USA
22.3km (13.8 miles) ⓘTombstone Extension Mines, Tombstone Mining District, Cochise County, Arizona, USA
23.9km (14.9 miles) ⓘBunker Hill Mine, Tombstone Mining District, Cochise County, Arizona, USA
24.4km (15.2 miles) ⓘTelephone Mine, Tombstone Mining District, Cochise County, Arizona, USA
24.7km (15.4 miles) ⓘLucky Cuss Mine, Tombstone Mining District, Cochise County, Arizona, USA
25.1km (15.6 miles) ⓘOregon-Prompter Mine group, Tombstone Mining District, Cochise County, Arizona, USA
26.9km (16.7 miles) ⓘGalvez Mine, Tombstone Mining District, Cochise County, Arizona, USA
30.1km (18.7 miles) ⓘFlorida Mine group, Tombstone Mining District, Cochise County, Arizona, USA
References
MRDS database Dep. ID file #10048117, MRDS ID #M800139.
 
and/or  
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