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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Tourmaline from
York Creek Occurrence (West), Port Clarence Mining District, Nome Census Area, Alaska, USA


Locality type:Occurrence
Classification
Species:'Tourmaline' (not an IMA approved species)
Formula:AD3G6(T6O18)(BO3)3X3Z
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Tourmaline data
Locality Data:Click here to view York Creek Occurrence (West), Port Clarence Mining District, Nome Census Area, Alaska, USA
Data Identifiers
Mindat Occurrence Record ID:1522258
Long-form Identifier:1:3:1522258:1
GUID (UUID V4):0
Nearest other occurrences of Tourmaline
3.4km (2.1 miles) ⓘBrooks Mountain, York Mountains, Port Clarence Mining District, Nome Census Area, Alaska, USA
4.8km (3.0 miles) ⓘUnnamed Prospect (ARDF - TE056; on western side of Brooks Mountain), Port Clarence Mining District, Nome Census Area, Alaska, USA
6.8km (4.2 miles) ⓘThird Of July Prospect, Port Clarence Mining District, Nome Census Area, Alaska, USA
9.0km (5.6 miles) ⓘDalcoath Dike Prospect, Lost River Valley, Port Clarence Mining District, Nome Census Area, Alaska, USA
9.2km (5.7 miles) ⓘHidden Dike Prospect, Lost River Valley, Port Clarence Mining District, Nome Census Area, Alaska, USA
10.4km (6.5 miles) ⓘIda Bell dike exogreisen deposit, Lost River Mine, Lost River Valley, Port Clarence Mining District, Nome Census Area, Alaska, USA
10.4km (6.5 miles) ⓘCassiterite dike exogreisen deposit, Lost River Mine, Lost River Valley, Port Clarence Mining District, Nome Census Area, Alaska, USA
10.7km (6.6 miles) ⓘLost River endogreisen deposit, Lost River Mine, Lost River Valley, Port Clarence Mining District, Nome Census Area, Alaska, USA
10.9km (6.8 miles) ⓘCamp Creek Prospect (tributary to Lost River), Lost River Valley, Port Clarence Mining District, Nome Census Area, Alaska, USA
11.4km (7.1 miles) ⓘGreisen Prospect (on Tin Creek), Lost River Valley, Port Clarence Mining District, Nome Census Area, Alaska, USA
References
Mulligan, J.J., 1959, Sampling stream gravels for tin, near York, Seward Peninsula, Alaska: U.S. Bureau of Mines Report of Investigations 5520, 25 p.
 
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