Marokite R070275

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Record 2 of 2  

Name: Marokite
RRUFF ID: R070275
Ideal Chemistry: CaMn3+2O4
Locality: Synthetic
Source: Hexiong Yang [view label]
Owner: RRUFF
Description: Unconsolidated black crystals
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Post-spinel (2) ]
Quick search: [ All Marokite samples (2) ]
RRUFF ID: R070275.2
Sample Description: Microprobe Fragment
Measured Chemistry: Ca1.00(Mn3+1.99Al0.01)Σ=2O4
Microprobe Data File: [ Download Excel File ]
Sample Description: Unoriented sample

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RRUFF ID: R070275
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
RRUFF ID: R070275.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 3.154(1)Å    b: 9.987(2)Å    c: 9.667(3)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 304.5(1)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.

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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]