Important Update News
The RRUFF Project has been migrated to RRUFF.net. Please update your bookmarks immediately, if you have not done so.
The data on this website is already three years out of date, and the entire website will be taken offline before the end of the year.
We are grateful to NASA for the funding of this effort.
|
|
Name: Ferriallanite-(La) RRUFF ID: R141069 Ideal Chemistry: CaLa(Fe3+AlFe2+)[Si2O7][SiO4]O(OH) Locality: In den Dellen quarries, Niedermendig, Mendig, Laach lake volcanic complex, Eifel, Rhineland-Palatinate, Germany Source: Ch. and H. Schäfer [view label] Owner: RRUFF Description: Black tabular crystals embedded in matrix, associated with sanidine, magnetite and cancrinite. Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
| Mineral Groups: [ allanite (7) ] [ epidote (31) ] | ||
| RAMAN SPECTRUM | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||
| BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||
| POWDER DIFFRACTION | |||||||
|---|---|---|---|---|---|---|---|
| RRUFF ID: | R141069.9 | ||||||
| Sample Description: | Single crystal, powder profile is calculated | ||||||
| Cell Refinement Output: |
a: 8.906(2)Å b: 5.755(1)Å c: 10.116(2)Å alpha: 90° beta: 114.64(1)° gamma: 90° Volume: 471.3(1)Å3 Crystal System: monoclinic |
||||||
|
|
||||||
| REFERENCES for Ferriallanite-(La) | |
|---|---|
|
American Mineralogist Crystal Structure Database Record: [view record] |
|
|
Williams P A, Hatert F, Pasero M, Mills S J (2011) IMA Commission on new minerals, nomenclature and classification (CNMNC) Newsletter 8. New minerals and nomenclature modifications approved in 2011, Mineralogical Magazine, 75, 289-294 [view file] |
|
|
Kolitsch U, Mills S J, Miyawaki R, Blass G (2012) Ferriallanite-(La), a new member of the epidote supergroup from the Eifel, Germany, European Journal of Mineralogy, 24, 741-747 [view file] |
|
|
Bačík P, Uher P, Kozáková P, tevko M, Ozdín D, Vaculovič T (2018) Vanadian and chromian garnet- and epidote-supergroup minerals in metamorphosed Paleozoic black shales from Čierna Lehota, Stráovské vrchy Mountains, Slovakia: crystal chemistry and evolution, Mineralogical Magazine, 82, 889-911 |
|
|
|