Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Limestone from
Last Chance Mine, Grayback Mining District (Russell Mining District), Costilla County, Colorado, USA


Locality type:Mine
Classification
Type:Limestone
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Limestone data
Locality Data:Click here to view Last Chance Mine, Grayback Mining District (Russell Mining District), Costilla County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:1044501
Long-form Identifier:1:3:1044501:7
GUID (UUID V4):0
Nearest other occurrences of Limestone
0.1km (0.1 miles) ⓘExcelsior Tunnel Occurrence, Grayback Mining District (Russell Mining District), Costilla County, Colorado, USA
0.3km (0.2 miles) ⓘStar of the West Mine (Ainsworth; Upper Star of the West Mine), Grayback Mining District (Russell Mining District), Costilla County, Colorado, USA
0.3km (0.2 miles) ⓘHomestake Tunnel Occurrence, Grayback Mining District (Russell Mining District), Costilla County, Colorado, USA
0.5km (0.3 miles) ⓘMidnight Group (Pride; Red Bird), Grayback Mining District (Russell Mining District), Costilla County, Colorado, USA
0.5km (0.3 miles) ⓘMagnolia Group, Grayback Mining District (Russell Mining District), Costilla County, Colorado, USA
0.7km (0.4 miles) ⓘJohn Moore and Lucky Claims, Grayback Mining District (Russell Mining District), Costilla County, Colorado, USA
0.7km (0.4 miles) ⓘLower Star of the West Mine (Stoddard Mine), Grayback Mining District (Russell Mining District), Costilla County, Colorado, USA
0.8km (0.5 miles) ⓘClimax 1 and 2 Claims, Grayback Mining District (Russell Mining District), Costilla County, Colorado, USA
1.2km (0.8 miles) ⓘRock and Rye Claim, Grayback Mining District (Russell Mining District), Costilla County, Colorado, USA
1.4km (0.9 miles) ⓘMerrimac Claim, Grayback Mining District (Russell Mining District), Costilla County, Colorado, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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