|
|
Name: Sepiolite RRUFF ID: R070311 Ideal Chemistry: Mg4Si6O15(OH)2·6H2O Locality: Miller Quartz, near Santa Cruz, Santa Cruz County, California, USA Source: James Shigley [view label] Owner: RRUFF Description: Tan colored compact fibrous Status: The identification of this mineral has been made only by X-ray diffraction. |
Mineral Groups: [ Sepiolite (1) ] [ Clay (86) ] |
CHEMISTRY | ||||||
---|---|---|---|---|---|---|
|
RAMAN SPECTRUM | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
POWDER DIFFRACTION | ||||||||
---|---|---|---|---|---|---|---|---|
RRUFF ID: | R070311.1 | |||||||
Sample Description: | Powder | |||||||
Cell Refinement Output: |
a: 13.381(2)Å b: 27.033(7)Å c: 5.012(2)Å alpha: 90° beta: 90° gamma: 90° Volume: 1813.0(9)Å3 Crystal System: orthorhombic |
|||||||
|
|
REFERENCES for Sepiolite | |
---|---|
American Mineralogist Crystal Structure Database Record: [view record] |
|
Anthony J W, Bideaux R A, Bladh K W, and Nichols M C (1990) Handbook of Mineralogy, Mineral Data Publishing, Tucson Arizona, USA, by permission of the Mineralogical Society of America. [view file] |
|
Glocker E F (1847) Ordo XIII. Argillitae. II. Argillitae pingues. 15. Sepiolithus., in Generum et Specierum Mineralium, Secundum Ordines Naturales Digestorum Synopsis Apud Eduardum Anton 185-195 [view file] |
|
Brauner K, Preisinger A (1956) Struktur und entstehung des sepioliths, Tschermaks Mineralogische und Petrographische Mitteilungen, 6, 120-140 |
|
Preisinger A (1959) X-ray study of the structure of sepiolite, Clays and Clay Minerals, 6, 61-67 |
|
Laufer E E, Mossman D J (1982) The identification of sepiolite in the Prairie Evaporite Formation of Saskatchewan, The Canadian Mineralogist, 20, 151-154 [view file] |
|
Kadir S, Bas H, Karakas Z (2002) Origin of sepiolite and loughlinite in a neogene volcano-sedimentary lacustrine environment, Mihaliccik-Eskisehir, Turkey, The Canadian Mineralogist, 40, 1091-1102 [view file] |
|
Post J E, Bish D L, Heaney P J (2007) Synchrotron powder X-ray diffraction study of the structure and dehydration behavior of sepiolite, American Mineralogist, 92, 91-97 [view file] |
|
Giustetto R, Levy D, Wahyudi O, Ricchiardi G, Vitillo J G (2011) Crystal structure refinement of a sepiolite/indigo Maya Blue pigment using molecular modelling and synchrotron diffraction, European Journal of Mineralogy, 23, 449-466 |
|
Sánchez M, García-Romero E, Suárez M, Silva I, Fuentes-Montero L, Martínez-Criado G (2011) Variability in sepiolite: Diffraction studies, American Mineralogist, 96, 1443-1454 [view file] |
|
Giustetto R, Macaluso L, Berlier G, Ganjkhanlou Y, Barale L (2019) Characterisation and possible hazard of an atypical asbestiform sepiolite associated with aliphatic hydrocarbons from Sassello, Ligurian Apennines, Italy, Mineralogical Magazine, 83, 209-222 |
|
|