Mangano-mangani-ungarettiite R050244

Name: Mangano-mangani-ungarettiite
RRUFF ID: R050244
Ideal Chemistry: NaNa2(Mn2+2Mn3+3)Si8O22O2
Locality: Hoskins mine, near Grenfell, New South Wales, Australia
Source: Marcus Origlieri
Owner: RRUFF
Description: Dark red granular, associated with namansilite, R070006
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ amphibole (105) ]
RRUFF ID: R050244.2
Sample Description: Microprobe Fragment
Measured Chemistry: Na1.00Na2.00(Mn2+2.00(Mn3+2.35Fe3+0.63Al0.02)Σ=3)Si8.00O22O2
Sample Description: Unoriented sample

  To download sample data,
  please select a specific
  orientation angle.

Direction of polarization of laser relative to fiducial mark:
X Min:    X Max:    X Sort:
RRUFF ID: R050244
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050244.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
X Min:    X Max:    X Sort:
RRUFF ID: R050244.1
Sample Description: Powder, appears to be a mix of ungarettiite and namansilite, cell parameters are from single crystal
Cell Refinement Output: a: 9.85(1)Å    b: 17.84(2)Å    c: 5.287(3)Å
alpha: 90°    beta: 105.21(6)°    gamma: 90°   Volume: 896.6(5)Å3    Crystal System: monoclinic
  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

X Min:    X Max:    X Sort:
REFERENCES for Mangano-mangani-ungarettiite

American Mineralogist Crystal Structure Database Record: [view record]

Hawthorne F C, Oberti R, Cannillo E, Sardone N, Zanetti A, Grice J D, Ashley P M (1995) A new anhydrous amphibole from the Hoskins mine, Grenfell, New South Wales, Australia: Description and crystal structure of ungarettiite, NaNa2(Mn2+2Mn3+3)Si8O22O2, American Mineralogist, 80, 165-172   [view file]

Leake B E, Woolley A R, Arps C E S, Birch W D, Gilbert M C, Grice J D, Hawthorne F C, Kato A, Kisch H J, Krivovichev V G, Linthout K, Laird J, Mandarino J A, Maresch W V, Nickel E H, Rock N M S, Schumacher J C, Smith D C, Stephenson N C N, Ungaretti L, Whittaker E J W, Youzhi G (1997) Nomenclature of amphiboles: report of the Subcommittee on Amphiboles of the International Mineralogical Association, Commission on New Minerals and Mineral Names, The Canadian Mineralogist, 35, 219-246   [view file]

Hawthorne F C, Oberti R, Harlow G E, Maresch W V, Martin R F, Schumacher J C, Welch M D (2012) Nomenclature of the amphibole supergroup, American Mineralogist, 97, 2031-2048   [view file]

Oberti R, Ventura G D, Boiocchi M, Zanetti A, Hawthorne F C (2017) The crystal chemistry of oxo-mangani-leakeite and mangano-mangani-ungarettiite from the Hoskins mine and their impossible solid-solution: An XRD and FTIR study, Mineralogical Magazine, 81, 707-722