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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 | ||||||||||||
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| BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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| POWDER DIFFRACTION | |||||||
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| 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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| REFERENCES for Normandite | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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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] |
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Jambor J L, Puziewicz J, Roberts A C (1998) New mineral names, American Mineralogist, 83, 652-656 [view file] |
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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] |
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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] |
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Dal Bo F, Friis H, Mills S J (2022) Nomenclature of wöhlerite group minerals, Mineralogical Magazine, 86, 661-676 |
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