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: Faizievite RRUFF ID: R070221 Ideal Chemistry: Li6K2Na(Ca6Na)Ti4(Si6O18)2(Si12O30)F2 Locality: Dara-i-Pioz Glacier, Alayskiy (Alai) Range, Tien Shan Mts, Districts of the Republican Subordination, Tajikistan Source: Michael Scott S100427 [view label] Owner: RRUFF Description: Pale brownish yellow massive associated with quartz Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
CHEMISTRY | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
![]() |
|
RAMAN SPECTRUM | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
POWDER DIFFRACTION | |||||||
---|---|---|---|---|---|---|---|
RRUFF ID: | R070221.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 9.829(8)Å b: 9.830(6)Å c: 17.32(1)Å alpha: 99.24(1)° beta: 94.64(3)° gamma: 119.86(1)° Volume: 1407(4)Å3 Crystal System: triclinic |
||||||
|
|
REFERENCES for Faizievite | |
---|---|
American Mineralogist Crystal Structure Database Record: [view record] |
|
Agakhanov A A, Pautov L A, Uvarova Y A, Sokolova E V, Hawthorne F C, Karpenko V Y, Gafurov F G (2007) Faizievite, K2Na(Ca6Na)Ti4Li6Si24O66F2 - a new mineral species, New Data on Minerals. Moscow, 42, 5-10 [view file] |
|
Piilonen P C, Poirier G, Tait K T (2008) New mineral names, American Mineralogist, 93, 1941-1946 [view file] |
|
Uvarova Y A, Sokolova E, Hawthorne F C, Agakhanov A A, Pautov L A (2008) The crystal chemistry of faizievite, K2Li6Na(Ca6Na)Ti4[Si6O18]2[Si12O30]F2, a novel structure based on intercalated blocks of the baratovite and berezanskite structures, The Canadian Mineralogist, 46, 163-171 [view file] |
|
|