Important Update News
The RRUFF Project (rruff.info) 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.
We are grateful to NASA for the funding of this effort.
![]() |
![]() |
Name: Alum-(Na) RRUFF ID: R110204 Ideal Chemistry: NaAl(SO4)2·12H2O Locality: Flux mine, near Patagonia, Arizona Source: Gordon W Downs Owner: RRUFF Description: Colorless ram's horn Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
Mineral Group: [ Alum (5) ] |
RAMAN SPECTRUM | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
POWDER DIFFRACTION | |||||||
---|---|---|---|---|---|---|---|
RRUFF ID: | R110204.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 12.171(1)Å b: 12.171(1)Å c: 12.171(1)Å alpha: 90° beta: 90° gamma: 90° Volume: 1802.7(2)Å3 Crystal System: cubic |
||||||
|
|
REFERENCES for Alum-(Na) | |
---|---|
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] |
|
Pliny [translated by Bostock J, Riley H T 1898] (77) Book XXXV, Chapter 52. Alumen, and the several varieties of it; thirty-eight remedies, in The Natural History of Pliny George Bell and Sons London [view file] |
|
Palache C, Berman H, Frondel C (1951) 29.5.5.2 Soda alum [NaAl(SO4)2·12H2O], in The System of Mineralogy, Volume II, Seventh Edition John Wiley and Sons, Inc New York 474-474 [view file] |
|
Cromer D T, Kay M I, Larson A C (1967) Refinement of the alum structures. II. X-ray and neutron diffraction of NaAl(SO4)2·12H2O, γ alum, Acta Crystallographica, 22, 182-187 |
|
Burke E A J (2008) Tidying up mineral names: an IMA-CNMNC scheme for suffixes, hyphens and diacritical marks, The Mineralogical Record, 39, 131-135 [view file] |
|
|