Aschamalmite R060690

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Name: Aschamalmite
RRUFF ID: R060690
Ideal Chemistry: Pb6-3xBi2+xS9
Locality: Ascham Alp, Untersulzbach Valley, Salzburg, Austria
Source: Michael Scott S101236 [view label]
Owner: RRUFF
Description: Lead gray metallic prismatic crystals in veins in quartz
Status: The identification of this mineral is not yet confirmed.
Mineral Group: [ Lillianite (17) ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R060690
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 30% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R060690.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 23.732(5)Å    b: 4.0524(8)Å    c: 19.135(4)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 1840.3(9)Å3    Crystal System: orthorhombic
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REFERENCES for Aschamalmite

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]

Mumme W G, Niedermayr G, Kelly P R, Paar W H (1983) Aschamalmite, Pb5.92Bi2.06S9, from Untersulzbach Valley in Salzburg, Austria - “monoclinic heyrovskyite”, Neues Jahrbuch für Mineralogie, Monatshefte, 1983, 433-444

Dunn P J, Fleischer M, Francis C A, Langley R H, Kissin S A, Shigley J E, Vanko D A, Zilczer J A (1984) New mineral names, American Mineralogist, 69, 810-815   [view file]

Moëlo Y, Makovicky E, Mozgova N N, Jambor J L, Cook N, Pring A, Paar W, Nickel E H, Graeser S, Karup-Møller S, Balic-Zunic T, Mumme W G, Vurro F, Topa D, Bindi L, Bente K, Shimizu M (2008) Sulfosalt systematics: a review. Report of the sulfosalt sub-committee of the IMA Commission on Ore Mineralogy, European Journal of Mineralogy, 20, 7-46   [view file]

Callegari A M, Boiocchi M (2009) Aschamalmite (Pb6Bi2S9): crystal structure and ordering scheme for Pb and Bi atoms, Mineralogical Magazine, 73, 83-94   [view file]