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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Gneiss from
Rockfield Mine (Valentine Lode; Unpatented Claims: Rodkfield; Pendergast Tunnel; Matchless Nos. 1 and 2), Manhattan Mining District, Larimer County, Colorado, USA


Locality type:Mine
Classification
Type:Gneiss
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Gneiss data
Locality Data:Click here to view Rockfield Mine (Valentine Lode; Unpatented Claims: Rodkfield; Pendergast Tunnel; Matchless Nos. 1 and 2), Manhattan Mining District, Larimer County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:1046579
Long-form Identifier:1:3:1046579:2
GUID (UUID V4):0
Nearest other occurrences of Gneiss
1.1km (0.7 miles) ⓘCash Mine (Unpatented Claims: Cash Nos. 1-5; Martin Nos. 1-2), Manhattan Mining District, Larimer County, Colorado, USA
1.1km (0.7 miles) ⓘFree Gold Mine (Silver Dollar; Big Horn No. 1; Copper Butte; Gold Spark; Lancaster; MS 17457), Manhattan Mining District, Larimer County, Colorado, USA
2.3km (1.4 miles) ⓘGold Coin Mine (Companion Lode; Camp Bird; Juniper; Dolly Gere; Unpatented Claims: Gold Coin; Am Erican Eagle; Aspen; Gaskosaga), Manhattan Mining District, Larimer County, Colorado, USA
2.8km (1.7 miles) ⓘCopper - Nickel - Laterite - Silver - Gold Prospect (MRDS - 10013869), Mayesville Mining District, Larimer County, Colorado, USA
3.0km (1.9 miles) ⓘMayesville Mining District, Larimer County, Colorado, USA
3.2km (2.0 miles) ⓘBear Cat Prospect, Manhattan Mining District, Larimer County, Colorado, USA
3.3km (2.0 miles) ⓘCrown Point Vein Occurrence, Mayesville Mining District, Larimer County, Colorado, USA
3.8km (2.4 miles) ⓘSodom Mine (Shiny Lo De; Spring Load; Unpatented Claims: Dixie Nos. 1; 2; 4; 6; Basic Load; Monzonite; Dixie Group; Standard), Manhattan Mining District, Larimer County, Colorado, USA
4.0km (2.5 miles) ⓘSoda Springs Group, Mayesville Mining District, Larimer County, Colorado, USA
4.5km (2.8 miles) ⓘBig Mica Beryl Prospect, Mayesville Mining District, Larimer County, Colorado, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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