Marokite R060829
Name: Marokite
RRUFF ID: R060829
Ideal Chemistry: CaMn3+2O4
Locality: Tachguagalt, Morocco
Source: Michael Scott S101266 [view label]
Owner: RRUFF
Description: Black with carmine-red internal reflections, massive
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Post-spinel (2) ]
Quick search: [ All Marokite samples (2) ]
CHEMISTRY 
RRUFF ID: R060829.2
Sample Description: Microprobe Fragment
Measured Chemistry: Ca1.00Mn3+2.00O4
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R060829
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Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R060829.1
Sample Description: Powder
Cell Refinement Output: a: 3.15927(8)Å    b: 9.994(1)Å    c: 9.6794(5)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 305.60(3)Å3    Crystal System: orthorhombic
  File Type Information Close
Calculated diffraction file.

  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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Cell Refinement Data
Cell Refinement Output Data
DIF File
X-ray Data (XY - Processed)
RRUFF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Marokite

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]

Gaudefroy C, Jouravsky G (1963) La marokite, CaMn2O4, une nouvelle espèce minérale, Bulletin de la Société Française de Minéralogie et de Cristallographie, 86, 359-367   [view file]

Fleischer M (1964) New mineral names, American Mineralogist, 49, 816-821   [view file]

Lepicard G, Protas J (1966) Étude structurale de l'oxyde double de manganèse et de calcium orthorhombique CaMn2O4 (marokite), Bulletin de la Société Française de Minéralogie et de Cristallographie, 89, 318-324   [view file]

Ling C D, Neumeier J J, Argyriou D N (2001) Observation of antiferromagnetism in marokite CaMn2O4, Journal of Solid State Chemistry, 160, 167-173

Zouari S, Ranno L, Cheikh-Rouhou A, Isnard O, Pernet M, Wolfers P, Strobel P (2003) New model for the magnetic structure of the marokite-type oxide CaMn2O4, Journal of Alloys and Compounds, 353, 5-11

Yamanaka T, Uchida A, Nakamoto Y (2008) Structural transition of post-spinel phases CaMn2O4, CaFe2O4, and CaTi2O4 under high pressures up to 80 GPa, American Mineralogist, 93, 1874-1881   [view file]