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


Locality type:Occurrence
Classification
Species:Fluorite var: Yttrofluorite
Formula:(Ca1-xYx)F2+x where 0.05 < x < 0.3
Confirmation
Validity:Confirmed
Confirmation Methods:SEM-EDS
Data
Mineral Data:Click here to view Yttrofluorite 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:867723
Long-form Identifier:1:3:867723:5
GUID (UUID V4):0
Nearest other occurrences of Yttrofluorite
32.6km (20.3 miles) ⓘStrang pegmatite occurrence (S. B. Strang Ralston Creek pegmatite), Clear Creek Pegmatite Province, Jefferson County, Colorado, USA
80.9km (50.3 miles) ⓘSeerie pegmatite (Cooper pegmatite), South Platte Pegmatite Mining District, Jefferson County, Colorado, USA
81.5km (50.7 miles) ⓘLittle Patsy pegmatite, South Platte Pegmatite Mining District, Jefferson County, Colorado, USA
83.9km (52.2 miles) ⓘWhite Cloud pegmatite, South Platte Pegmatite Mining District, Jefferson County, Colorado, USA
References
Pavel M. Kartashov analytical data (2011), Philip Persson material
 
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