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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Roscoelite from
Engineer Gold Mine, Tagish Lake, Atlin Mining Division, British Columbia, Canada


Locality type:Mine
Classification
Species:Roscoelite
Formula:KV23+(AlSi3O10)(OH)2
Comments:Millonig et al (2017) reported that the "roscoelite" at the Engineer mine is, in fact, a vanadian illite.
Confirmation
Validity:Erroneously Reported
Data
Mineral Data:Click here to view Roscoelite data
Locality Data:Click here to view Engineer Gold Mine, Tagish Lake, Atlin Mining Division, British Columbia, Canada
Data Identifiers
Mindat Occurrence Record ID:9628
Long-form Identifier:1:3:9628:7
GUID (UUID V4):0
References
King, Vandall T., Robinson, George W. (1993) What's New in Minerals? - Annual World Summary of Mineral Discoveries, April 1992 through April 1993. The Mineralogical Record, 24 (5) 381-394
Mauthner, Mark H.F., Groat, Lee A., Raudsepp, Mati (1996) The Engineer Mine, Tagish Lake, British Columbia. The Mineralogical Record, 27 (4) 263-273
Mauthner, Mark, Francis, Carl A. (2006) Gold Crystal localities of British Columbia, Canada. Rocks & Minerals, 81 (1) 14-22 doi:10.3200/rmin.81.1.14-22
Millonig, Leo J.; Beinlich, Andreas; Raudsepp, Mati; Devine, Fionnuala; Archibald, Douglas A.; Linnen, Robert L.; Groat, Lee A. (2017) The Engineer Mine, British Columbia: An example of epithermal Au-Ag mineralization with mixed alkaline and subalkaline characteristics. Ore Geology Reviews, 83. doi:10.1016/j.oregeorev.2016.12.023
 
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