Epididymite R070580

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Record 2 of 3  


Name: Epididymite
RRUFF ID: R070580
Ideal Chemistry: Na2Be2Si6O15·H2O
Locality: Narsarsuk, Narsaq, Kitaa, Greenland
Source: James Shigley [view label]
Owner: RRUFF
Description: A translucent to white elongated prism.
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Not in a structural group (133) ]
Quick search: [ All Epididymite samples (3) ]
CHEMISTRY 
RRUFF ID: R070580.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Na1.97K0.03)Σ=2Be2Si6.00O15·H2O; trace amounts of Al; Be and H2O assumed by stoichiometry
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Sample is oriented and mounted on a pin
Pin ID: M01755
Orientation: Laser parallel to  -a*  (-1 0 0).     Fiducial mark perpendicular to laser is parallel to  b   [0 1 0].
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R070580
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (Processed)
RRUFF File
Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R070580.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 12.734(6)Å    b: 13.629(7)Å    c: 7.350(3)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 1275.6(8)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.

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DIF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Epididymite

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]

Flink G (1893) Om några mineral från Grönland, Geologiska Föreningens i Stockholm Förhandlingar, 15, 195-208   [view file]

Flink G (1894) Beschreibung eines neuen mineralfundes aus Grönland, 2. Epididymit, Zeitschrift für Kristallographie, 23, 353-358   [view file]

Mandarino J A, Harris D C (1968) Shorter communication: Epididymite from Mont. St. Hilaire, Quebec, The Canadian Mineralogist, 9, 706-709   [view file]

Robinson P D, Fang J H (1970) The crystal structure of epididymite, American Mineralogist, 55, 1541-1549   [view file]

Fang J H, Robinson P D, Ohya Y (1972) Redetermination of the crystal structure of eudidymite and its dimorphic relationship to epididymite, American Mineralogist, 57, 1345-1354   [view file]

Gatta G D, Rotiroti N, McIntyre G J, Guastoni A, Nestola F (2008) New insights into the crystal chemistry of epididymite and eudidymite from Malosa, Malawi: A single-crystal neutron diffraction study, American Mineralogist, 93, 1158-1165   [view file]

Merlino S, Bonaccorsi E (2008) Double wollastonite chains: topological/conformational varieties, polytypic forms, isotypic compounds, Zeitschrift für Kristallographie, 223, 85-97