Monazite-(Sm) from
Brown Derby No. 1, Brown Derby Mine, Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA

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Monazite-(Sm), etc.

Brown Derby No. 1, Brown Derby Mine, Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA

Monazite-(Sm)

Brown Derby No. 1, Brown Derby Mine, Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA

Monazite-(Sm)

Brown Derby No. 1, Brown Derby Mine, Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA

Monazite-(Sm), etc.

Brown Derby No. 1, Brown Derby Mine, Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA

Monazite-(Sm)

Brown Derby No. 1, Brown Derby Mine, Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA

Monazite-(Sm), etc.

Brown Derby No. 1, Brown Derby Mine, Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA

Monazite-(Sm), etc.

Brown Derby No. 1, Brown Derby Mine, Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA

Monazite-(Sm)

Brown Derby No. 1, Brown Derby Mine, Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA

Monazite-(Sm)

Brown Derby No. 1, Brown Derby Mine, Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA

Monazite-(Sm), etc.

Brown Derby No. 1, Brown Derby Mine, Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA

Classification
Locality type:	Mine
Species:	Monazite-(Sm)
Formula:	Sm(PO₄)
Confirmation
Validity:	Believed Valid
Associated Minerals Based on Photo Data:
Albite	3
- var Cleavelandite	3
Lepidolite	1
Quartz	1
Data
Mineral Data:	Click here to view Monazite-(Sm) data
Locality Data:	Click here to view Brown Derby No. 1, Brown Derby Mine, Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA
Photo Gallery	View Gallery (4 photos)
Data Identifiers
Mindat Occurrence Record ID:	647257
Long-form Identifier:	1:3:647257:3
GUID (UUID V4):	0
References
Collected by Rudy Bolona confirmed analysis by George B. Morgan University of Oklahoma, Oct. 2009.

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Monazite-(Sm) from Brown Derby No. 1, Brown Derby Mine, Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA

Monazite-(Sm) from
Brown Derby No. 1, Brown Derby Mine, Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA