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Johannsenite from
Rat Fork-Base prospect, Yukon-Koyukuk Census Area, Alaska, USA


Locality type:Prospect
Classification
Species:Johannsenite
Formula:CaMn2+Si2O6
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Johannsenite data
Locality Data:Click here to view Rat Fork-Base prospect, Yukon-Koyukuk Census Area, Alaska, USA
Data Identifiers
Mindat Occurrence Record ID:588161
Long-form Identifier:1:3:588161:1
GUID (UUID V4):0
Nearest other occurrences of Johannsenite
3.9km (2.4 miles) Sheep Creek-West Prospect, Yukon-Koyukuk Census Area, Alaska, USA
15.9km (9.9 miles) Tin-Midway; Tin Creek #1 Prospect, Yukon-Koyukuk Census Area, Alaska, USA
References
Reference Search (possible matching items)
Report (issue)
throughout Alaska. Distribution of mineral occurrences in the McGrath l:250,000-scale quadrangle, Alaska This...the U.S. Government. OPEN-FILE REPORT 99-357 Alaska Resource Data File MG001 Site name(s): Unnamed...known in the Kuskokwim Mineral Belt of southwest Alaska (Bundtzen and Miller, 1997). No estimates of the...vein (Cox and Singer, 1986; model 22c). Page 2 Alaska Resource Data File MG001 Deposit model number...1:63,360 scale geologic mapping effort for the Alaska Division of Geological and Geophysical Surveys
 
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To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
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