Pyrrhotite R061127

Name: Pyrrhotite
RRUFF ID: R061127
Ideal Chemistry: Fe7S8
Locality: Morro Velho Gold mine, Nova Umha, Minas Gerais, Brazil
Source: Michael Scott S103486 [view label]
Owner: RRUFF
Description: Brass colored, prismatic crystals associated with quartz and dolomite
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Nickeline (5) ]
Quick search: [ All Pyrrhotite samples (2) ]
Sample Description: Unoriented Raman on the primary sample

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RRUFF ID: R061127
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
RRUFF ID: R061127.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 11.898(3)Å    b: 6.873(2)Å    c: 22.812(7)Å
alpha: 90°    beta: 90.39(1)°    gamma: 90°   Volume: 1865.4(8)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 Pyrrhotite

American Mineralogist Crystal Structure Database Record: [view record]

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Haines C R S, Lampronti G I, Klooster W T, Coles S J, Dutton S E, Carpenter M A (2020) Morin-type transition in 5C pyrrhotite, American Mineralogist, 105, 1404-1411

Jin L, Koulialias D, Schnedler M, Gehring A U, Pósfai M, Ebert P, Charilaou M, Schäublin R E, Jia C, Löffler J F, Dunin-Borkowski R E (2021) Atomic-scale characterization of commensurate and incommensurate vacancy superstructures in natural pyrrhotites, American Mineralogist, 106, 82-96