R040134 - RRUFF Database: Raman, X-ray, Infrared, and Chemistry

Alum-(K) R040134

Name: Alum-(K)
RRUFF ID: R040134
Ideal Chemistry: KAl(SO₄)₂·12H₂O
Locality: Alunite mine, Esmeralda County, Nevada, USA
Source: University of Arizona Mineral Museum 9391 [view label]
Owner: RRUFF
Description: Colorless coarsely crystalline massive
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis

Mineral Group: [ Alum (5) ]

Quick search: [ All Alum-(K) samples (3) ]

CHEMISTRY

RRUFF ID:	R040134.2
Sample Description:	Microprobe Fragment
Measured Chemistry:	(K_0.86(NH₄)_0.14)_Σ=1Al_1.00(S_1.00O₄)₂·12H₂O ; NH₄ not measured but estimated by stoichiometry

RAMAN SPECTRUM

RRUFF ID:

Sample Description:

Unoriented sample

DOWNLOADS:

To download sample data,
please select a specific
orientation angle.

BROAD SCAN WITH SPECTRAL ARTIFACTS

RRUFF ID:

R040134

Wavelength:

Sample Description:

Unoriented sample

Instrument settings:

Thermo Almega XR 532nm @ 100% of 150mW

DOWNLOADS:

	Raman Data (RAW)
	RRUFF File

INFRARED SPECTRUM (Attenuated Total Reflectance)

RRUFF ID:

R040134.1

Sample Description:

Powder

Instrument settings:

SensIR Durascope on a Nicolet Magna 860 FTIR

Resolution:

DOWNLOADS:

	Infrared Data (Processed)
	RRUFF File

POWDER DIFFRACTION

RRUFF ID:

R040134.1

Sample Description:

Powder

Cell Refinement Output:

a: 12.1614(1)Å b: 12.1614(1)Å c: 12.1614(1)Å
alpha: 90.° beta: 90.° gamma: 90.° Volume: 1798.67(5)Å³ Crystal System: cubic

File Type Information

Calculated diffraction file.

File Type Information

Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

File Type Information

Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

DOWNLOADS:

	Cell Refinement Data
	Cell Refinement Output Data
	DIF File
	X-ray Data (XY - Processed)
	RRUFF File
	X-ray Data (XY - RAW)
	RRUFF File

REFERENCES for Alum-(K)
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) 29.5.5.1 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]
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
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
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]
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
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
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]
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]

REFERENCES for Alum-(K)

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) 29.5.5.1 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]

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

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

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]

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

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

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]

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]