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Name: Alum-(K) RRUFF ID: R060014 Ideal Chemistry: KAl(SO4)2·12H2O Locality: Tolfa, Italy Source: American Museum of Natural History 16802 [view label] Owner: RRUFF Description: Colorless fragment Status: The identification of this mineral has been confirmed by X-ray diffraction. |
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| Mineral Group: [ Alum (5) ] | ||
| Quick search: [ All Alum-(K) samples (3) ] | ||
| CHEMISTRY | ||||||
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| RAMAN SPECTRUM | ||||||||||||
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| BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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| INFRARED SPECTRUM (Attenuated Total Reflectance) | |||||||||||||||
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| POWDER DIFFRACTION | |||||||
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| RRUFF ID: | R060014.1 | ||||||
| Sample Description: | Powder | ||||||
| Cell Refinement Output: |
a: 12.162141(74)Å b: 12.162141(74)Å c: 12.162141(74)Å alpha: 90.° beta: 90.° gamma: 90.° Volume: 1798.995(33)Å3 Crystal System: cubic |
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| REFERENCES for Alum-(K) | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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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] |
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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] |
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Palache C, Berman H, Frondel C (1951) 29.5.5.1 Potash alum [KAl(SO4)2·12H2O], in The System of Mineralogy, Volume II, Seventh Edition John Wiley and Sons, Inc New York 472-474 [view file] |
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Larson A C, Cromer D T (1967) Refinement of the alum structures. III. X-ray study of the α alums, K, Rb and NH4Al(SO4)2.12H2O, Acta Crystallographica, 22, 793-800 |
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Nyburg S C, Steed J, Aleksovska S, Petrusevski V M (2000) Structure of the alums. I. On the sulfate group disorder in the alpha-alums, Acta Crystallographica, B56, 204-209 |
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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] |
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Ballirano P (2015) Thermal behaviour of alum-(K) KAl(SO4)2·12H2O from in situ laboratory high-temperature powder X-ray diffraction data: thermal expansion and modeling of the sulfate orientational disorder, Mineralogical Magazine, 79, 157-170 |
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Hulsobosch N, Thomas R, Boiron M-C, Dewaele S, Muchez P (2017) Direct observation of boro-aluminosilicate melt compositions: Insights from Raman spectroscopy of melt inclusions in pegmatitic tourmaline of the Gatumba-Gitarama area (Rwanda), The Canadian Mineralogist, 55, 377-397 |
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Biagioni C, Mauro D, Pasero M, Bonaccorsi E, Lepore G O, Zaccarini F, Skogby H (2020) Crystal-chemistry of sulfates from the Apuan Alps (Tuscany, Italy). VI. Tl-bearing alum-(K) and voltaite from the Fornovolasco mining complex, American Mineralogist, 105, 1088-1098 [view file] |
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Biagioni C, Mauro D, Pasero M (2020) Sulfates from the pyrite ore deposits of the Apuan Alps (Tuscany, Italy): A review, Minerals, 10, 1092 [view file] |
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