Delhayelite R070096

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Record 1068 of 4207  

Name: Delhayelite
RRUFF ID: R070096
Ideal Chemistry: K7Na3Ca5Al2Si14O38F4Cl2
Locality: Yukspor Mountain, Khibiny Massif, Kola Peninsula, Russia
Source: Michael Scott S105088 [view label]
Owner: RRUFF
Description: Dark gray to colorless cleavage fragments associated with brown lamprophyllite, elongated blue aegerine, light yellow fenakite, grayish brown lomonosovite and very pale yellow to colorless Fenaksite (R080135).
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Rhodesite (5) ]
Quick search: [ All Delhayelite samples (2) ]
RRUFF ID: R070096.2
Sample Description: Microprobe Fragment
Measured Chemistry: K7.25Na3.44(Ca4.32Na0.66Mn0.02)Σ=5(Al1.97Fe3+0.03)Σ=2(Si13.97Al0.03)Σ=14O38F4(Cl1.70F0.30)Σ=2
Microprobe Data File: [ Download Excel File ]
Sample Description: Unoriented sample

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RRUFF ID: R070096
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R070096.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
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RRUFF ID: R070096.1
Sample Description: Powder
Cell Refinement Output: a: 24.5858(9)Å    b: 7.0626(4)Å    c: 6.5756(3)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 1141.78(6)Å3    Crystal System: orthorhombic
  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.

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

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REFERENCES for Delhayelite

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]

Fleischer M (1959) New mineral names, American Mineralogist, 44, 1321-1329   [view file]

Sahama T G, Hytönen K (1959) Delhayelite, a new silicate from the Belgian Congo, Mineralogical Magazine, 32, 6-9   [view file]

Dorfman M D, Belova E N, Neronova N N (1961) Delhayelite from the Khibiny, Trudy Mineralogicheskogo Muzeya Akademiya Nauk SSSR, 12, 191-195

International Mineralogical Association (1962) International Mineralogical Association: Commission on new minerals and mineral names, Mineralogical Magazine, 33, 260-263   [view file]

Cannillo E, Rossi G, Ungaretti L (1970) The crystal structure of delhayelite, Rendiconti della Società Italiana di Mineralogia e Petrologia, 26, 63-75   [view file]

Sokolova M N, Smol'yaninov N N Golovanova T I, Chukanov N V, Dmitreva M T (2005) Delhayelite crystals from ristschorrites of the Rasvumchorr Plateau (Khibiny Massif), New Data on Minerals. Moscow, 40, 115-118   [view file]