Despujolsite R100208

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Record 292 of 1179  


Name: Despujolsite
RRUFF ID: R100208
Ideal Chemistry: Ca3Mn4+(SO4)2(OH)6·3H2O
Locality: N'Chwaning III mine, Kalahari manganese field, Northern Cape Province, South Africa
Source: Marcus Origlieri
Owner: RRUFF
Description: Lime green transparent crystal fragment. Sample was used in Barkley et al (2011)
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Fleischerite (4) ]
CHEMISTRY 
RRUFF ID: R100208.2
Sample Description: Microprobe fragment. This sample is unstable under the electron beam. Analysis is semi-quanititative only. Note beam damage in SEM image.
Measured Chemistry: Ca3.44(Mn+40.86Fe+30.06)Σ=0.92(S0.96O4)2(OH)6·3H2O
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R100208
Wavelength:
Sample Description: Unoriented Raman on the primary 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: R100208.1
Sample Description: Powder
Cell Refinement Output: a: 8.5264(1)Å    b: 8.5264(1)Å    c: 10.7900(3)Å
alpha: 90°    beta: 90°    gamma: 120°   Volume: 679.33(2)Å3    Crystal System: hexagonal
  File Type Information Close
Calculated diffraction file.

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

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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 Despujolsite

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, Granger M M, Permingeat F, Protas J (1968) La despujolsite, une nouvelle espèce minérale, Bulletin de la Société Française de Minéralogie et de Cristallographie, 91, 43-50   [view file]

Fleischer M (1969) New mineral names, American Mineralogist, 54, 326-330   [view file]

Hawthorne F C (1994) Structural aspects of oxide and oxysalt crystals, Acta Crystallographica, B50, 481-510

Barkley M C, Yang H, Evans S H, Downs R T, Origlieri M J (2011) Redetermination of despujolsite, Ca3Mn4+(SO4)2(OH)6·3H2O, Acta Crystallographica, E67, i47-i48   [view file]

Mereiter K, Walter F, Bojar H P (2023) Mallestigite, Pb3Sb(SO4)(AsO4)(OH)6·3H2O, from the type locality - new data, crystal structure, and structural relationships, Mineralogy and Petrology, 117, s00710-023-00837-y   [link]   [view file]