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Aenigmatite from
NW slope Fremont Peak occurrences, San Francisco Mountain, San Franciscan volcanic field (San Francisco Peaks; San Francisco Mts), Coconino County, Arizona, USA


Locality type:Occurrence
Classification
Species:Aenigmatite
Formula:Na4[Fe102+Ti2]O4[Si12O36]
Comments:Occurs in a riebeckite-soda granite porphyry.
Habit:Prismatic
Colour:Very dark brown
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Riebeckite
Data
Mineral Data:Click here to view Aenigmatite data
Locality Data:Click here to view NW slope Fremont Peak occurrences, San Francisco Mountain, San Franciscan volcanic field (San Francisco Peaks; San Francisco Mts), Coconino County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:227383
Long-form Identifier:1:3:227383:9
GUID (UUID V4):0
References
Robinson, Henry H. (1913), The San Franciscan Volcanic Field, AZ, USGS PP 76: 110-112.
 
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