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: Ferri-pedrizite RRUFF ID: R070344 Ideal Chemistry: NaLi2(Mg2Fe3+2Li)Si8O22(OH)2 Locality: east Pedriza Massif, Sierra de Guadarrama, Spain Source: Michael Scott S105090 [view label] Owner: RRUFF Description: Black bladed crystals Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
Mineral Groups: [ amphibole (107) ] [ amphiboles Na-Ca-Mg-Fe-Mn-Li (1) ] |
CHEMISTRY | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
![]() |
|
RAMAN SPECTRUM | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
POWDER DIFFRACTION | |||||||
---|---|---|---|---|---|---|---|
RRUFF ID: | R070344.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 9.663(6)Å b: 17.84(1)Å c: 5.279(4)Å alpha: 90° beta: 103.40(3)° gamma: 90° Volume: 885.4(7)Å3 Crystal System: monoclinic |
||||||
|
|
REFERENCES for Ferri-pedrizite | |
---|---|
American Mineralogist Crystal Structure Database Record: [view record] |
|
Caballero J M, Oberti R, Ottolini L (2002) Ferripedrizite, a new monoclinic BLi amphibole end-member from the Eastern Pedriza Massif, Sierra de Guadarrama, Spain, and a restatement of the nomenclature of Mg-Fe-Mn-Li amphiboles, American Mineralogist, 87, 976-982 [view file] |
|
Leake B E, Woolley A R, Birch W D, Burke E A J, Ferraris G, Grice J D, Hawthorne F C, Kisch H J, Krivovichev V G, Schumacher J C, Stephenson N C N, Whittaker E J W (2003) Nomenclature of amphiboles: additions and revisions to the International Mineralogical Associations 1997 recommendations, The Canadian Mineralogist, 41, 1355-1362 [view file] |
|
Hawthorne F C, Oberti R, Harlow G E, Maresch W V, Martin R F, Schumacher J C, Welch M D (2012) Nomenclature of the amphibole supergroup, American Mineralogist, 97, 2031-2048 [view file] |
|
|