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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Calcite from
Putnam Basin, San Juan County, Colorado, USA


Locality type:Basin
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Putnam Basin, San Juan County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:1796840
Long-form Identifier:1:3:1796840:1
GUID (UUID V4):0
Nearest other occurrences of Calcite
6.5km (4.0 miles) ⓘPittsburg tunnel, Sultan Mountain, Silverton, Animas Mining District, San Juan County, Colorado, USA
7.2km (4.5 miles) ⓘMarcella Mine (Marcello Mine), Kendall Mountain, Silverton, Animas Mining District, San Juan County, Colorado, USA
8.4km (5.2 miles) ⓘOphir Mine, Ophir, Ophir Mining District (Iron Springs Mining District), San Miguel County, Colorado, USA
12.7km (7.9 miles) ⓘLittle Giant Mine, Little Giant Peak, Animas Mining District, San Juan County, Colorado, USA
12.8km (8.0 miles) ⓘLittle Giant Basin, Animas Mining District, San Juan County, Colorado, USA
13.1km (8.2 miles) ⓘBlack Diamond Mine (White Mine), Klondike Mining District, San Miguel County, Colorado, USA
13.5km (8.4 miles) ⓘLongfellow Mine, San Juan County, Colorado, USA
14.1km (8.7 miles) ⓘHematite Gulch, Animas Mining District, San Juan County, Colorado, USA
14.1km (8.8 miles) ⓘHighland Mary Mine, Cunningham Gulch, Animas Mining District, San Juan County, Colorado, USA
14.1km (8.8 miles) ⓘSilver Ledge, San Juan County, Colorado, USA
References
Looked at both mine dumps in Putnam Basin, Calcite dominant.Identified by Ethan Ribble: Visual Identification
9/2025 Survey of mine dumps in Putnam BasinIdentified by Ethan Ribble: Visual Identification
 
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