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
Thomas - Union Lodes (Mica Mine), Jefferson County, Colorado, USA


Locality type:Lode
Classification
Type:Gneiss
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Gneiss data
Locality Data:Click here to view Thomas - Union Lodes (Mica Mine), Jefferson County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:1046252
Long-form Identifier:1:3:1046252:8
GUID (UUID V4):0
Nearest other occurrences of Gneiss
2.8km (1.7 miles) ⓘQualla and Young Sampson Lodes Occurrence, Critchell Area, Jefferson County, Colorado, USA
4.0km (2.5 miles) ⓘFenders - Magnotte Pegmatite Occurrence, Jefferson County, Colorado, USA
4.8km (3.0 miles) ⓘMalden School Pegmatite Occurrence, Jefferson County, Colorado, USA
5.4km (3.3 miles) ⓘIowa Gulch Occurrence (Iowa Gulch Pegmatite), Jefferson County, Colorado, USA
8.5km (5.3 miles) ⓘKennedy Gulch Magnetite Deposit, Critchell Area, Jefferson County, Colorado, USA
8.5km (5.3 miles) ⓘBilliken and Black Knight Lodes Occurrence, Critchell area, Jefferson County, Colorado, USA
9.1km (5.6 miles) ⓘBonzo No. 1 Claim, Waterton (Kassler) Area, Jefferson County, Colorado, USA
9.2km (5.7 miles) ⓘStone Placer Mine (Seven Devils Prospect), Waterton (Kassler) Area, Jefferson County, Colorado, USA
14.6km (9.1 miles) ⓘWright lease (Foothills Mine), Idledale Mining District, Jefferson County, Colorado, USA
15.2km (9.4 miles) ⓘCopper Prospect (MRDS - 10094633), Kassler Area, Douglas County, Colorado, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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