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Name: Fluor-dravite RRUFF ID: R110031 Ideal Chemistry: NaMg3Al6(Si6O18)(BO3)3(OH)3F Locality: Kefalos Hill, Skotini Bay, Galissas, Syros Island, Aegean Sea, Greece Source: William W Pinch [view label] Owner: RRUFF Description: Black massive, associated with actinolite and omphacite R110038 Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
Mineral Group: [ tourmaline (49) ] |
RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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RRUFF ID: | R110031.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 15.955(1)Å b: 15.955(1)Å c: 7.2164(7)Å alpha: 90° beta: 90° gamma: 120° Volume: 1591.0(2)Å3 Crystal System: hexagonal |
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REFERENCES for Fluor-dravite | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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Grice J D, Ercit T S (1993) Ordering of Fe and Mg in the tourmaline crystal structure: The correct formula, Neues Jahrbuch für Mineralogie, Abhandlungen, 165, 245-266 [view file] |
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Williams P A, Hatert F, Pasero M, Mills S (2010) New minerals approved in 2010, in International Mineralogical Association 1-7 [view file] |
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Clark C M, Hawthorne F C, Ottolini L (2011) Fluor-dravite, NaMg3Al6Si6O18(BO3)3(OH)3F, a new mineral species of the tourmaline group from the Crabtree Emerald mine, Mitchell County, North Carolina: Description and crystal structure, The Canadian Mineralogist, 49, 57-62 [view file] |
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Henry D J, Novák M, Hawthorne F C, Ertl A, Dutrow B L, Uher P, Pezzotta F (2011) Nomenclature of the tourmaline-supergroup minerals, American Mineralogist, 96, 895-913 [view file] |
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Gatta G D, Cámara F, Tait K T, Belakovskiy D (2012) New mineral names, American Mineralogist, 97, 2064-2072 [view file] |
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Bosi F (2018) Tourmaline crystal chemistry, American Mineralogist, 103, 298-306 [view file] |
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