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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Cerite-(CeCa) from
"Cerite" occurrences ("Rusty Gold" locality), Jamestown, Jamestown Mining District, Boulder County, Colorado, USA


Locality type:Occurrence
Classification
Species:Cerite-(CeCa)
Formula:(Ce7Ca2)◻Mg(SiO4)3(SiO3OH)4(OH)3
Comments:Originally described as cerite, but recent analyses have shown it to be fluorbritholite-(Ce).
Confirmation
Validity:Erroneously Reported
Data
Mineral Data:Click here to view Cerite-(CeCa) data
Locality Data:Click here to view "Cerite" occurrences ("Rusty Gold" locality), Jamestown, Jamestown Mining District, Boulder County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:867713
Long-form Identifier:1:3:867713:6
GUID (UUID V4):0
Nearest other occurrences of Cerite-(CeCa)
0.3km (0.2 miles) ⓘUnknown Feldspar - Quartz Occurrence (MRDS - 10165727), Jamestown Mining District, Boulder County, Colorado, USA
0.4km (0.3 miles) ⓘRusty Gold Mine (Copper Blush occurrence), Jamestown Mining District, Boulder County, Colorado, USA
0.4km (0.3 miles) ⓘUnknown Quartz - Feldspar Occurrence (MRDS - 10238892), Jamestown Mining District, Boulder County, Colorado, USA
83.9km (52.2 miles) ⓘWhite Cloud pegmatite, South Platte Pegmatite Mining District, Jefferson County, Colorado, USA
References
Pavel Kartashov (unpubl. analyses)
Goddard, E.N. and Glass, J.J. (1940): Deposits of radioactive cerite near Jamestown, Colorado. American Mineralogist. 25,381-404.
Stern, C., Allaz, J., Raschke, M., Cortes, S. and Persson, P. (2013): Proterozoic fluorbritholite-bearing REE-Rich hydrothermal veins from near Jamestown, Colorado. Rocky Mountain Section - 65th Annual Meeting (15-17 May 2013). Geological Society of America Abstracts with Programs. Vol. 45, No. 5, p.41
 
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