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


06316430017272326736176.jpg
Fluorbritholite-(Ce), etc.

"Cerite" occurrences, Jamestown, Jamestown Mining District, Boulder County, Colorado, USA
04335410017272012084150.jpg
Fluorbritholite-(Ce), etc.

"Cerite" occurrences, Jamestown, Jamestown Mining District, Boulder County, Colorado, USA
00403780017364222617796.jpg
Fluorbritholite-(Ce), etc.

"Cerite" occurrences, Jamestown, Jamestown Mining District, Boulder County, Colorado, USA
07716800017272012094036.jpg
Fluorbritholite-(Ce), etc.

"Cerite" occurrences, Jamestown, Jamestown Mining District, Boulder County, Colorado, USA
06316430017272326736176.jpg
Fluorbritholite-(Ce), etc.

"Cerite" occurrences, Jamestown, Jamestown Mining District, Boulder County, Colorado, USA
04335410017272012084150.jpg
Fluorbritholite-(Ce), etc.

"Cerite" occurrences, Jamestown, Jamestown Mining District, Boulder County, Colorado, USA
00403780017364222617796.jpg
Fluorbritholite-(Ce), etc.

"Cerite" occurrences, Jamestown, Jamestown Mining District, Boulder County, Colorado, USA
07716800017272012094036.jpg
Fluorbritholite-(Ce), etc.

"Cerite" occurrences, Jamestown, Jamestown Mining District, Boulder County, Colorado, USA
06316430017272326736176.jpg
Fluorbritholite-(Ce), etc.

"Cerite" occurrences, Jamestown, Jamestown Mining District, Boulder County, Colorado, USA
04335410017272012084150.jpg
Fluorbritholite-(Ce), etc.

"Cerite" occurrences, Jamestown, Jamestown Mining District, Boulder County, Colorado, USA
03756520017364222615672.jpg
Fluorbritholite-(Ce), etc.

"Cerite" occurrences, Jamestown, Jamestown Mining District, Boulder County, Colorado, USA
07716800017272012094036.jpg
Fluorbritholite-(Ce), etc.

"Cerite" occurrences, Jamestown, Jamestown Mining District, Boulder County, Colorado, USA
Locality type:Occurrence
Classification
Species:Fluorbritholite-(Ce)
Formula:(Ce,Ca)5(SiO4)3F
Confirmation
Validity:Confirmed
Confirmation Methods:SEM-EDS
Associated Minerals Based on Photo Data:
Allanite-(Ce)11
Feldspar Group2
Uranophane2
Quartz2
Törnebohmite-(Ce)1
Parauranophane1
Data
Mineral Data:Click here to view Fluorbritholite-(Ce) data
Locality Data:Click here to view "Cerite" occurrences ("Rusty Gold" locality), Jamestown, Jamestown Mining District, Boulder County, Colorado, USA
Photo GalleryView Gallery (5 photos)
Data Identifiers
Mindat Occurrence Record ID:867714
Long-form Identifier:1:3:867714:3
GUID (UUID V4):0
Nearest other occurrences of Fluorbritholite-(Ce)
0.4km (0.3 miles) ⓘRusty Gold Mine (Copper Blush occurrence), Jamestown Mining District, Boulder County, Colorado, USA
References
Pavel M. Kartashov analytical data (2011), Philip Persson material
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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