Rhönite R060316



Name: Rhönite
RRUFF ID: R060316
Ideal Chemistry: Ca4(Mg8Fe3+2Ti2)O4[Si6Al6O36]
Locality: Nickenicher Sattel, Laacher See District, Eifel, Germany
Source: Michael Scott S100202 [view label]
Owner: RRUFF
Description: Brown bladed crystals
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Sapphirine (11) ]
CHEMISTRY 
RRUFF ID: R060316.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Ca1.53Na0.47)Σ=2(Mg2.90Fe3+2.02Fe2+0.43Ti0.57Mn0.07Cr0.01)Σ=6(Si3.30Al2.70)Σ=6O20 ; Fe2 and Fe3 estimated by charge balance
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R060316
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R060316.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 10.380(3)Å    b: 10.765(3)Å    c: 8.882(3)Å
alpha: 105.95(2)°    beta: 96.00(2)°    gamma: 124.83(2)°   Volume: 739.0(2)Å3    Crystal System: triclinic
  File Type Information Close
Calculated diffraction file.

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

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REFERENCES for Rhönite

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]

Soellner J (1907) Ueber Rhönit, ein neues änigmatitähnliches mineral und über das vorkommen und die verbreitung desselben in basaltischen gesteinen, Neues Jahrbuch für Mineralogie, Geologie und Palaontologie, 24, 475-547   [view file]

Cameron K L (1970) Rhönite from Big Bend National Park, Texas, American Mineralogist, 55, 864-874   [view file]

Stout J H, Johnston A D (1985) Compositional variation of naturally occurring rhoenite, American Mineralogist, 70, 1211-1216   [view file]

Bonaccorsi E, Merlino S, Pasero M (1990) Rhönite: structural and microstructural features, crystal chemistry and polysomatic relationships, European Journal of Mineralogy, 2, 203-218

Jambor J L, Puziewicz J (1991) New mineral names, American Mineralogist, 76, 665-671   [view file]

Burt D M (1994) Vector representation of some mineral compositions in the aenigmatite group, with special reference to hogtuvaite, The Canadian Mineralogist, 32, 449-457   [view file]

Jensen B B (1996) Solid solution among members of the aenigmatite group, Mineralogical Magazine, 60, 982-986   [view file]

Kunzmann T (1999) The aenigmatite-rhönite mineral group, European Journal of Mineralogy, 11, 743-756

Grew E S, Hålenius U, Pasero M, Barbier J (2008) Recommended nomenclature for the sapphirine and surinamite group (sapphirine supergroup), Mineralogical Magazine, 72, 839-876   [view file]

Treiman A H (2008) Rhönite in Luna 24 pyroxenes: First find from the Moon, and implications for volatiles in planetary magmas, American Mineralogist, 93, 488-491   [view file]