Vote for your favorite mineral in #MinCup26! - Cuprite vs. Halite
While externally similar shapes, these two minerals are very different inside.
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Chalcedony from
Sierra Cuchillo, Cuchillo Negro Mining District, Sierra Cuchillo (Cuchillo Negro Mts), Sierra County, New Mexico, USA


Locality type:Sierra
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 Sierra Cuchillo, Cuchillo Negro Mining District, Sierra Cuchillo (Cuchillo Negro Mts), Sierra County, New Mexico, USA
Data Identifiers
Mindat Occurrence Record ID:1459879
Long-form Identifier:1:3:1459879:7
GUID (UUID V4):0
Nearest other occurrences of Chalcedony
14.5km (9.0 miles) ⓘCuchillo Tin Deposits, Cuchillo, Sierra County, New Mexico, USA
19.8km (12.3 miles) ⓘTerry Uranium Prospect, San Mateo Mountains Mining District, Sierra County, New Mexico, USA
23.4km (14.5 miles) ⓘIron Mountain No. 2 District, Sierra County, New Mexico, USA
25.3km (15.7 miles) ⓘScheelemite mine, Iron Mountain No. 2 District, Sierra County, New Mexico, USA
32.4km (20.1 miles) ⓘKline Mountain, Sierra County, New Mexico, USA
36.5km (22.7 miles) ⓘScales Creek Deposits, Taylor Creek Tin Mining District (Black Range Tin District), Sierra County, New Mexico, USA
36.7km (22.8 miles) ⓘKimberly Annex Claim, Taylor Creek Tin Mining District (Black Range Tin District), Sierra County, New Mexico, USA
37.5km (23.3 miles) ⓘPetroglyph Mine (Miners Dream Mine), Hillsboro, Hillsboro Mining District, Sierra County, New Mexico, USA
48.2km (29.9 miles) ⓘLookout Mine, Tierra Blanca Mining District, Sierra County, New Mexico, USA
50.1km (31.1 miles) ⓘCaballo Mountains, Sierra County, New Mexico, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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