Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (10 online) Mindat Auctions

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

Description
Comments:Occurs in a riebeckite-soda granite porphyry.
Habit:Prismatic
Colour:Very dark brown
Quality of samples:not specified / average specimens
Confirmation
Validity:Believed Valid
References
References:Robinson, Henry H. (1913), The San Franciscan Volcanic Field, AZ, USGS PP 76: 110-112.
Associated minerals:
Associates:Riebeckite
Data
Mineral Data:Click here to view Aenigmatite data
Locality Data:Click here to view Fremont Peak - NW slope, San Francisco Mountain, San Franciscan volcanic field (San Francisco Peaks; San Francisco Mts), Coconino Co., Arizona, USA
Mineral and/or Locality
Google
 
www.mindat.org Web
Copyright © Jolyon & Ida Ralph 1993-2008. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register.