Ahlfeldite R100210


Name: Ahlfeldite
RRUFF ID: R100210
Ideal Chemistry: Ni(SeO3)·2H2O
Locality: El Dragon mine, Potosi, Bolivia
Source: William W Pinch [view label]
Owner: RRUFF
Description: Pink crystalline massive associated with blue chalcomenite
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ Cobaltomenite (4) ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R100210
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Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 25% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R100210.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 6.4708(7)Å    b: 8.7896(9)Å    c: 7.5663(9)Å
alpha: 90°    beta: 99.022(6)°    gamma: 90°   Volume: 425.0(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 Ahlfeldite

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]

Foshag W F (1935) New mineral names, American Mineralogist, 20, 678-678   [view file]

Herzenberg R, Ahlfeld F (1935) Blockit, ein neues seienerz aus Bolivien, Zentralblatt für Mineralogie, Geologie und Paläontologie, 6, 277-279   [view file]

Ramdohr P (1935) Zwei neue mineralien, Zentralblatt für Mineralogie, Geologie und Paläontologie, Abt. A., no. 6, 189-189   [view file]

Fleischer M (1946) New mineral names, American Mineralogist, 31, 85-86   [view file]

Fleischer M (1954) New mineral names, American Mineralogist, 39, 848-852   [view file]

Fleischer M (1963) New mineral names, American Mineralogist, 48, 1178-1184   [view file]

Aristarain L F, Hurlbut C S (1969) Ahlfeldite from Pacacake Bolivia; A restudy, American Mineralogist, 54, 448-456   [view file]

Sturman B D, Mandarino J A (1974) The ahlfeldite-cobaltomenite series, The Canadian Mineralogist, 12, 304-307   [view file]

Wildner M (1990) Crystal structure refinements of synthetic cobaltomenite (CoSeO3·2H2O) and ahlfeldite (NiSeO3·2H2O), Neues Jahrbuch für Mineralogie, Monatshefte, 1990, 353-362

Larrañaga A, Mesa J L, Pizarro J L, Peña A, Chapman J P, Arriortua M I, Rojo T (2005) Thermal, spectroscopic and magnetic properties of the CoxNi1-x(SeO3)·2H2O (x=0, 0.4, 1) phases, Crystal structure of Co0.4Ni0.6(SeO3)·2H2O, Materials Research Bulletin, 40, 781-793

Charykova M V, Krivovichev V G, Lelet M I, Yakovenko O S, Suleimanov E V, Depmeier W, Semenova V V, Zorina M L (2014) A calorimetric and thermodynamic investigation of the synthetic analogs of cobaltomenite, CoSeO3·2H2O, and ahlfeldite, NiSeO3·2H2O, American Mineralogist, 99, 742-748