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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Pargasite from
Judd Harbor area, Duke Island Prospects, Duke Island, Ketchikan Mining District, Prince of Wales-Hyder Census Area, Alaska, USA


Locality type:Outcrop
Classification
Species:Pargasite
Formula:NaCa2(Mg4Al)(Si6Al2)O22(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pargasite data
Locality Data:Click here to view Judd Harbor area, Duke Island Prospects, Duke Island, Ketchikan Mining District, Prince of Wales-Hyder Census Area, Alaska, USA
Data Identifiers
Mindat Occurrence Record ID:1496990
Long-form Identifier:1:3:1496990:4
GUID (UUID V4):0
References
Luo, Yang, Su, Ben-Xun, Thakurta, Joyashish, Xiao, Yan, Bai, Yang (2022) Fluid-Induced Inhomogeneous Cr-spinel in Dunite and Wehrlite from the Duke Island Complex, Southeastern Alaska. Minerals, 12 (6) 717 doi:10.3390/min12060717
 
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