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|   |   | Name: Janhaugite RRUFF ID: R070731 Ideal Chemistry: Na3Mn2+3Ti2(Si2O7)2(O,OH,F)4 Locality: Gjerdingselva (Gjerdingen), Nordmarka, Lunner, Oppland, Norway Source: Michael Scott S102923 [view label] Owner: RRUFF Description: Reddish brown prismatic crystals associated with quartz and aegirine Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. | 
| Mineral Group: [ Wohlerite (11) ] | ||
| CHEMISTRY | ||||||
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| RAMAN SPECTRUM | ||||||||||||
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| BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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| POWDER DIFFRACTION | |||||||
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| RRUFF ID: | R070731.9 | ||||||
| Sample Description: | Single crystal, powder profile is calculated | ||||||
| Cell Refinement Output: | a: 10.668(1)Å    b: 9.757(1)Å    c: 13.928(2)Å alpha: 90° beta: 107.926(7)° gamma: 90° Volume: 1379.5(5)Å3 Crystal System: monoclinic | ||||||
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| REFERENCES for Janhaugite | |
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| 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] | |
| Raade G, Mladeck M H (1983) Janhaugite, Na3Mn3Ti2Si4O15(OH,F,O)3, a new mineral from Norway, American Mineralogist, 68, 1216-1219 [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] | |
| Dal Bo F, Friis H, Mills S J (2022) Nomenclature of wöhlerite group minerals, Mineralogical Magazine, 86, 661-676 | |
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