Calcite from
New Cornelia Mine (Ajo Mine), Ajo, Little Ajo Mts, Ajo District, Pima Co., Arizona, USA

New Cornelia Mine (Ajo Mine), Ajo, Little Ajo Mts, Ajo District, Pima Co., Arizona, USA
© 2003 John H. Betts

Description
Comments:	Not conspicuous though widespread in small amounts in ore. Some seems to represent a replacement product; most clearly occupies fissures. Coats ankerite; occurs with laumontite in andesite dikes.
Habit:	Scalenohedral (late hypogene); flat rhombohedral (nail-head)(late supergene).
Quality of samples:	not specified / average specimens
Confirmation
Validity:	Believed Valid
References
References:	Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 114, 220; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 91; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Associated minerals:
Associates:	Ankerite Dolomite Ferrierite Laumontite Quartz Sericite
Data
Mineral Data:	Click here to view Calcite data
Locality Data:	Click here to view New Cornelia Mine (Ajo Mine), Ajo, Little Ajo Mts, Ajo District, Pima Co., Arizona, USA
Photo Gallery	View Gallery (2 photos)

Copyright © Jolyon Ralph and Ida Chau 1993-2012. 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. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
Current server date and time: 16th Feb 2012 11:13:47