Important Update News
The RRUFF Project is being updated to improve its interface and content. The beta version of the update is accessible to the public at RRUFF.net. New data is only being added to the beta site. Please note that it is in development, and some components are not functional. Existing RRUFF.info links will resolve to the new site after RRUFF.net is officially released.
We are grateful to NASA for the funding of this effort.
![]() |
![]() |
Name: Fencooperite RRUFF ID: R061032 Ideal Chemistry: Ba6Fe3+3Si8O23(CO3)2Cl3·H2O Locality: Trumbull Peak, Mariposa County, California, USA Source: Michael Scott S101302 [view label] Owner: RRUFF Description: Dark gray massive embedded in quartz with reddish-orange halo around the grains Status: The identification of this mineral is not yet confirmed. |
RAMAN SPECTRUM | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
REFERENCES for Fencooperite | |
---|---|
American Mineralogist Crystal Structure Database Record: [view record] |
|
Grice J D (2001) The crystal structure of fencooperite: unique [Fe3+3O13] pinwheels cross-connected by [Si8O22] islands, The Canadian Mineralogist, 39, 1065-1071 [view file] |
|
Mandarino J A (2001) New minerals, The Canadian Mineralogist, 39, 1751-1760 [view file] |
|
Roberts A C, Grice J D, Dunning G E, Venance K E (2001) Fencooperite, Ba6Fe3+3Si8O23(CO3)2Cl3·H2O, a new mineral species from Trumbull Peak, Mariposa County, California, The Canadian Mineralogist, 39, 1059-1064 [view file] |
|
Jambor J L, Roberts A C (2002) New mineral names, American Mineralogist, 87, 765-768 [view file] |
|
|