A R070269 - RRUFF Database: Raman, X-ray, Infrared, and Chemistry

Manganite R070269

Name: Manganite
RRUFF ID: R070269
Ideal Chemistry: Mn³⁺O(OH)
Locality: Wessels mine, Hotazel, Kalahari manganese field, Northern Cape Province, South Africa
Source: Michael Scott S102942 [view label]
Owner: RRUFF
Description: Divergent black acicular crystals (with dark brown lights) associated with gaudefroyite in gypsum cleavage plate
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.

Mineral Group: [ Rutile (23) ]

Quick search: [ All Manganite samples (3) ]

CHEMISTRY

RRUFF ID:	R070269.2
Sample Description:	Microprobe Fragment
Measured Chemistry:	lighter phase: (Mn³⁺_0.99Fe³⁺_0.01)_Σ=1O(OH) ; trace amounts of Cr and Ca; OH by difference; darker phase: gypsum
Microprobe Data File:	[ Download Excel File ]

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:

R070269

Wavelength:

Sample Description:

Unoriented sample

Instrument settings:

Thermo Almega XR 532nm @ 100% of 150mW

DOWNLOADS:

	Raman Data (RAW)
	RRUFF File

POWDER DIFFRACTION

RRUFF ID:

R070269.9

Sample Description:

Single crystal, powder profile is calculated

Cell Refinement Output:

a: 5.306(1)Å b: 5.258(2)Å c: 5.303(2)Å
alpha: 90° beta: 114.13(2)° gamma: 90° Volume: 135.05(8)Å³ Crystal System: monoclinic

File Type Information

Calculated diffraction file.

File Type Information

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

DOWNLOADS:

	DIF File
	X-ray Data (XY - RAW)
	RRUFF File

REFERENCES for Manganite
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]
Haidinger W (1826) On the crystalline forms and properties of the manganese ores, The Edinburgh Journal of Science, 4, 41-50 [view file]
Turner E (1828) Chemical examination of the oxides of manganese. Part II. On the composition of the ores of manganese described by Mr. Haidinger, The Philosophical Magazine, 4, 96-104 [view file]
Larsen E S (1921) The microscopic determination of the nonopaque minerals, U.S. Geological Survey Bulletin, 671, 5-294 [view file]
Buerger M J (1936) The symmetry and crystal structure of manganite, Mn(OH)O, Zeitschrift für Kristallographie, 95, 163-174 [view file]
Kohler T, Armbruster T, Libowitzky E (1997) Hydrogen bonding and Jahn-Teller distortion in groutite, α-MnOOH, and manganite, γ-MnOOH, and their relations to the manganese dioxides ramsdellite and pyrolusite, Journal of Solid State Chemistry, 133, 486-500
Suzuki A (2013) Compression behavior of manganite, Journal of Mineralogical and Petrological Sciences, 108, 295-299
Post J E, McKeown D A, Heaney, P J (2020) Raman spectroscopy study of manganese oxides: Tunnel structures, American Mineralogist, 105, 1175-1190 [view file]

REFERENCES for Manganite

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]

Haidinger W (1826) On the crystalline forms and properties of the manganese ores, The Edinburgh Journal of Science, 4, 41-50 [view file]

Turner E (1828) Chemical examination of the oxides of manganese. Part II. On the composition of the ores of manganese described by Mr. Haidinger, The Philosophical Magazine, 4, 96-104 [view file]

Larsen E S (1921) The microscopic determination of the nonopaque minerals, U.S. Geological Survey Bulletin, 671, 5-294 [view file]

Buerger M J (1936) The symmetry and crystal structure of manganite, Mn(OH)O, Zeitschrift für Kristallographie, 95, 163-174 [view file]

Kohler T, Armbruster T, Libowitzky E (1997) Hydrogen bonding and Jahn-Teller distortion in groutite, α-MnOOH, and manganite, γ-MnOOH, and their relations to the manganese dioxides ramsdellite and pyrolusite, Journal of Solid State Chemistry, 133, 486-500

Suzuki A (2013) Compression behavior of manganite, Journal of Mineralogical and Petrological Sciences, 108, 295-299

Post J E, McKeown D A, Heaney, P J (2020) Raman spectroscopy study of manganese oxides: Tunnel structures, American Mineralogist, 105, 1175-1190 [view file]