Vote for your favorite mineral in #MinCup26! - Arsenuranylite vs. Talc
It's a pair of soft and lovely minerals as Stichtite and Talc compete for your votes.
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Chalcedony from
Iron Mountain Mine (Iron Mine; Iron Hill Mine), Rosita Mining District, Custer County, Colorado, USA


Locality type:Mine
Classification
Species:Quartz var: Chalcedony
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcedony data
Locality Data:Click here to view Iron Mountain Mine (Iron Mine; Iron Hill Mine), Rosita Mining District, Custer County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:373516
Long-form Identifier:1:3:373516:9
GUID (UUID V4):0
Nearest other occurrences of Chalcedony
3.7km (2.3 miles) ⓘBassick Mine (Claims: Queen Victoria; Triangle; Nemeha; William; Augusta; Maine; Georgia), Rosita Mining District, Custer County, Colorado, USA
6.5km (4.0 miles) ⓘGeyser Mine (Security - Geyser), Silver Cliff Mining District, Custer County, Colorado, USA
8.6km (5.3 miles) ⓘBull-Domingo Mine, Silver Cliff Mining District, Custer County, Colorado, USA
15.6km (9.7 miles) ⓘTerrible mine (Ilse Lead Mine), Oak Creek Mining District (Ilse Mining District), Custer County, Colorado, USA
26.7km (16.6 miles) ⓘCurio Hill (Specimen Ridge), Cañon City, Cañon City Mining District, Fremont County, Colorado, USA
38.2km (23.7 miles) ⓘSpikebuck Mine, McIntyre Hills Area, Fremont County, Colorado, USA
52.5km (32.6 miles) ⓘGarden Park, Fremont County, Colorado, USA
66.6km (41.4 miles) ⓘThirtyone Mile Mountain, Guffey Mining District, Park County, Colorado, USA
69.3km (43.0 miles) ⓘGranite Mine (Independent Granite), Cripple Creek Mining District, Teller County, Colorado, USA
70.4km (43.8 miles) ⓘDoctor Mine (Jackpot Mine), Cripple Creek Mining District, Teller County, Colorado, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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