Vote for your favorite mineral in #MinCup26! - Hafnon vs. Putnisite
It's a pair of tiny minerals of unusual chemistry as orange Hafnon battles with purple Putnisite.
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Serpentine Subgroup from
Albian Basin, Alta, Little Cottonwood Mining District, Salt Lake County, Utah, USA


Locality type:Outcrop
Classification
Species:'Serpentine Subgroup' (not an IMA approved species)
Formula:D3[Si2O5](OH)4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Serpentine Subgroup data
Locality Data:Click here to view Albian Basin, Alta, Little Cottonwood Mining District, Salt Lake County, Utah, USA
Data Identifiers
Mindat Occurrence Record ID:1577017
Long-form Identifier:1:3:1577017:6
GUID (UUID V4):0
Nearest other occurrences of Serpentine Subgroup
1.9km (1.2 miles) ⓘBig Cottonwood Mine, Great Western Mine Group, Brighton, Big Cottonwood Mining District, Salt Lake County, Utah, USA
2.1km (1.3 miles) ⓘRelief Shaft, Great Western Mine Group, Brighton, Big Cottonwood Mining District, Salt Lake County, Utah, USA
2.1km (1.3 miles) ⓘMountain Lake Mine (Jack Mine), Great Western Mine Group, Brighton, Big Cottonwood Mining District, Salt Lake County, Utah, USA
9.4km (5.9 miles) ⓘDaly Mine, Park City Mining District, Summit County, Utah, USA
9.6km (6.0 miles) ⓘNewman Mine (Sunken City; Big Cottonwood Monarch), Argenta, Big Cottonwood Mining District, Salt Lake County, Utah, USA
10.6km (6.6 miles) ⓘOntario Mine, Park City Mining District, Summit County, Utah, USA
63.4km (39.4 miles) ⓘHonerine Mine (Bauer; Bullion Coalition; Great Basin; Tip Top Mine), Stockton Mining District, Tooele County, Utah, USA
References
Woodford, D. T., Sisson, V. B., & Leeman, W. P. (2001). Boron metasomatism of the Alta stock contact aureole, Utah: Evidence from borates, mineral chemistry, and geochemistry. American Mineralogist, 86(4), 513-533.
 
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