Lobanovite R120068



Name: Lobanovite
RRUFF ID: R120068
Ideal Chemistry: K2Na(Fe2+4Mg2Na)Ti2(Si4O12)2O2(OH)4
Locality: Apatitovaya Mt., Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
Source: Donald Doell [view label]
Owner: RRUFF
Description: Massive transparent golden sheets associated with light green aegirine
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Groups: [ astrophyllite (11) ] [ Devitoite (2) ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R120068
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 65% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R120068.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 10.377(4)Å    b: 23.194(7)Å    c: 5.335(1)Å
alpha: 90°    beta: 99.63(2)°    gamma: 90°   Volume: 1265.8(8)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 Lobanovite

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]

Peng C C, Ma C S (1963) The discovery of a new type of Si-O chain radical - X-ray analysis of astrophyllite, Scientia Sinica, 12, 272-276

Fleischer M, Chao G Y, Cabri L J (1975) New mineral names, American Mineralogist, 60, 736-739   [view file]

Shi N, Ma Z, Li G, Yamnova N A, Pushcharovsky D Y (1998) Structure refinement of monoclinic astrophyllite, Acta Crystallographica, B54, 109-114

Piilonen P C, LaLonde A E, McDonald A M, Gault R A, Larsen A O (2003) Insights into astrophyllite–group minerals. I. Nomenclature, composition and development of a standardized general formula, The Canadian Mineralogist, 41, 1-26   [view file]

Piilonen P C, McDonald A M, LaLonde A E (2003) Insights into astrophyllite–group minerals. II. Crystal chemistry, The Canadian Mineralogist, 41, 27-54   [view file]

Burke E A J (2008) Tidying up mineral names: an IMA-CNMNC scheme for suffixes, hyphens and diacritical marks, The Mineralogical Record, 39, 131-135   [view file]

Sokolova E, Cámara F (2008) Re-investigation of the crystal structure of magnesium astrophyllite, European Journal of Mineralogy, 20, 253-260

Cámara F, Sokolova E, Abdu Y, Hawthorne F C (2010) The crystal structures of niobophyllite, kupletskite-(Cs) and Sn-rich astrophyllite: Revisions to the crystal chemistry of the astrophyllite-group minerals, The Canadian Mineralogist, 48, 1-16   [view file]

Sokolova E (2012) Further developments in the structure topology of the astrophyllite-group minerals, Mineralogical Magazine, 76, 863-882   [view file]

Hålenius U, Hatert F, Pasero M, Mills S J (2015) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) Newsletter 26. New minerals and nomenclature modifications approved in 2015, Mineralogical Magazine, 79, 941-947   [view file]

Belakovskiy D I, Cámara F, Uvarova Y (2017) New mineral names, American Mineralogist, 102, 1565-1571   [view file]

Sokolova E, Cámara F, Hawthorne F C, Ciriotti M E (2017) The astrophyllite supergroup: nomenclature and classification, Mineralogical Magazine, 81, 143-153

Sokolova E, Cámara F, Hawthorne F C, Semenov E I, Ciriotti M E (2017) Lobanovite, K2Na(Fe2+4Mg2Na)Ti2(Si4O12)2O2(OH)4, a new mineral of the astrophyllite supergroup and its relation to magnesioastrophyllite, Mineralogical Magazine, 81, 175-181