Franklinite R070137

Name: Franklinite
RRUFF ID: R070137
Ideal Chemistry: ZnFe3+2O4
Locality: Franklin mine, Franklin, Sussex County, New Jersey, USA
Source: Michael Scott S100420 [view label]
Owner: RRUFF
Description: Gray semi-metallic octahedral crystals associated with calcite
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Spinel (56) ]
RRUFF ID: R070137.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Zn0.63Mn0.36Mg0.01)Σ=1(Fe3+1.96Al0.04)Σ=2O4
Microprobe Data File: [ Download Excel File ]
Sample Description: Sample is oriented and mounted on a pin.
Pin ID: L01062
Orientation: Laser parallel to  c*  (0 0 1).     Fiducial mark perpendicular to laser is parallel to  a   [1 0 0].

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RRUFF ID: R070137
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R070137.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
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RRUFF ID: R070137.1
Sample Description: powder
Cell Refinement Output: a: 8.46609(9)Å    b: 8.46609(9)Å    c: 8.46609(9)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 606.80(2)Å3    Crystal System: cubic
  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 Franklinite

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]

Berthier P (1819) Analyse de deux minéraux zincifères des États-Unis d´Amérique, Annales des Mines, 4, 483-494   [view file]

Berthier M P (1820) Analysis of two zinc ores from the United States of America (translated into English by B Silliman), American Journal of Science and Arts, 2, 319-326   [view file]

Van Horn F R (1928) Large magnetite and franklinite crystals from Franklin Furnace, New Jersey, American Mineralogist, 13, 171-173   [view file]

Verwey E J W, Heilmann E L (1947) Physical properties and cation arrangement of oxides with spinel structures, Journal of Chemical Physics, 15, 174-180

O'Neill H St C (1992) Temperature dependence of the cation distribution in zinc ferrite (ZnFe2O4) from powder XRD structural refinements, European Journal of Mineralogy, 4, 571-580

Lucchesi S, Russo U, Della Giusta A (1999) Cation distribution in natural Zn-spinels: franklinite, European Journal of Mineralogy, 11, 501-511

Moran E, Blesa M C, Medina M E, Tornero J D, Menendez N, Amado U (2002) Nonstoichiometric spinel ferrites obtained from α-NaFeO2 via molten media reactions, Inorganic Chemistry, 41, 5961-5967

Reichmann H J, Jacobsen S D, Ballaran T B (2013) Elasticity of franklinite and trends for transition-metal oxide spinels, American Mineralogist, 98, 601-608