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
Iowa Gulch Occurrence (Iowa Gulch Pegmatite), Jefferson County, Colorado, USA


Locality type:Occurrence
Classification
Type:Gneiss
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Gneiss data
Locality Data:Click here to view Iowa Gulch Occurrence (Iowa Gulch Pegmatite), Jefferson County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:1046210
Long-form Identifier:1:3:1046210:2
GUID (UUID V4):0
Nearest other occurrences of Gneiss
1.4km (0.8 miles) ⓘFenders - Magnotte Pegmatite Occurrence, Jefferson County, Colorado, USA
1.8km (1.1 miles) ⓘMalden School Pegmatite Occurrence, Jefferson County, Colorado, USA
5.4km (3.3 miles) ⓘThomas - Union Lodes (Mica Mine), Jefferson County, Colorado, USA
8.2km (5.1 miles) ⓘQualla and Young Sampson Lodes Occurrence, Critchell Area, Jefferson County, Colorado, USA
9.2km (5.7 miles) ⓘWright lease (Foothills Mine), Idledale Mining District, Jefferson County, Colorado, USA
12.4km (7.7 miles) ⓘSeven Hills - Yetter Ranch Pegmatite Occurrence, Clear Creek Pegmatite Province, Jefferson County, Colorado, USA
13.2km (8.2 miles) ⓘKennedy Gulch Magnetite Deposit, Critchell Area, Jefferson County, Colorado, USA
13.3km (8.3 miles) ⓘBilliken and Black Knight Lodes Occurrence, Critchell area, Jefferson County, Colorado, USA
14.0km (8.7 miles) ⓘBurroughs Mine (Traut-Rudin-Anderson Pegmatite; Sunrise Peak Mine), Clear Creek pegmatite Province, Jefferson County, Colorado, USA
14.2km (8.8 miles) ⓘBonzo No. 1 Claim, Waterton (Kassler) Area, Jefferson County, Colorado, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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