Normandite R120066



Name: Normandite
RRUFF ID: R120066
Ideal Chemistry: Na2Ca2(Mn,Fe)2(Ti,Nb,Zr)2(Si2O7)2O2F2
Locality: Partomchorr Mt., Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
Source: Donald Doell [view label]
Owner: RRUFF
Description: Radiating aggregate of brown bladed crystals, twinned around (001)
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Wohlerite (11) ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R120066
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R120066.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 10.779(2)Å    b: 9.785(2)Å    c: 7.044(2)Å
alpha: 90°    beta: 108.12(1)°    gamma: 90°   Volume: 706.1(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 Normandite

American Mineralogist Crystal Structure Database Record: [view record]

Chao G Y, Gault R A (1997) Normandite, the Ti-analogue of låvenite from Mont Saint-Hilaire, Quebec, The Canadian Mineralogist, 35, 1035-1039   [view file]

Jambor J L, Puziewicz J, Roberts A C (1998) New mineral names, American Mineralogist, 83, 652-656   [view file]

Perchiazzi N, McDonald A M, Gault R A, Johnsen O, Merlino S (2000) The crystal structure of normandite and its crystal-chemical relationships with låvenite, The Canadian Mineralogist, 38, 641-648   [view file]

Biagioni C, Merlino S, Parodi G C, Perchiazzi N (2012) Crystal chemistry of minerals of the wöhlerite group from the Los Archipelago, Guinea, The Canadian Mineralogist, 50, 593-609   [view file]