Apjohnite R060231

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Name: Apjohnite
RRUFF ID: R060231
Ideal Chemistry: Mn2+Al2(SO4)4·22H2O
Locality: Val d'Adige, Bolzano, Italy
Source: Michael Scott S100270 [view label]
Owner: RRUFF
Description: Colorless acicular crystals
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Halotrichite (6) ]
CHEMISTRY 
RRUFF ID: R060231.2
Sample Description: Microprobe Fragment
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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Direction of polarization of laser relative to fiducial mark:
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R060231
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R060231.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 6.202(1)Å    b: 24.351(5)Å    c: 21.273(4)Å
alpha: 90°    beta: 100.269(8)°    gamma: 90°   Volume: 3161(1)Å3    Crystal System: monoclinic
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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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REFERENCES for Apjohnite

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]

Glocker E F (1847) Ordo XVIII. Hydrolyti. I. Hydrolyti ametalli. 24. Halotrichites. Appendix. Apjohnites, in Generum et Specierum Mineralium, Secundum Ordines Naturales Digestorum Synopsis Apud Eduardum Anton 288-304   [view file]

Menchetti S, Sabelli C (1976) The halotrichite group: the crystal structure of apjohnite, Mineralogical Magazine, 40, 599-608   [view file]

Ballirano P (2006) Crystal chemistry of the halotrichite group XAl2(SO4)4 · 22H2O: the X = Fe- Mg-Mn-Zn compositional tetrahedron, European Journal of Mineralogy, 18, 463-469

Lane M D (2007) Mid-infrared emission spectroscopy of sulfate and sulfate-bearing minerals, American Mineralogist, 92, 1-18   [view file]

Krivovichev S V (2013) Structural complexity of minerals: information storage and processing in the mineral world, Mineralogical Magazine, 77, 275-326