Ferrokentbrooksite R110183
Name: Ferrokentbrooksite
RRUFF ID: R110183
Ideal Chemistry: Na15Ca6Fe2+3Zr3Nb(Si25O73)(O,OH,H2O)3(F,Cl)2
Locality: Poudrette quarry, Mont St-Hilaire, Quebec, Canada
Source: Donald Doell [view label]
Owner: RRUFF
Description: Massive yellowish-gray
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ eudialyte (13) ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample; 780 nm spectrum is overwhelmed by fluorescence.
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R110183
Wavelength:
Sample Description: Unoriented Raman on the primary sample; 780 nm spectrum is overwhelmed by fluorescence.
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (Processed)
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R110183.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 14.252(1)Å    b: 14.252(1)Å    c: 30.205(5)Å
alpha: 90°    beta: 90°    gamma: 120°   Volume: 5313.4(5)Å3    Crystal System: hexagonal
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REFERENCES for Ferrokentbrooksite

Jambor J L, Roberts A C (2003) New mineral names, American Mineralogist, 88, 1836-1840   [view file]

Johnsen O, Ferraris G, Gault R A, Grice J D, Kampf A R, Pekov I V (2003) The nomenclature of eudialyte-group minerals, The Canadian Mineralogist, 41, 785-794   [view file]

Johnsen O, Grice J D, Gault R A (2003) Ferrokentbrooksite, a new member of the eudialyte group from Mont Saint-Hilaire, Quebec, Canada, The Canadian Mineralogist, 41, 55-60   [view file]

Mandarino J A (2003) New minerals, The Canadian Mineralogist, 41, 1309-1319   [view file]

Rastsvetaeva R K, Chukanov N V (2012) Classification of eudialyte-group minerals, Geology of Ore Deposits, 54, 487-497   [view file]

Borst A M, Finch A A, Friis H, Horsburgh N J, Gamaletsos P N, Goettlicher J, Steininger R, Geraki K (2020) Structural state of rare earth elements in eudialyte-group minerals, Mineralogical Magazine, 84, 19-34