Helvine R060059

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Record 15 of 37  


Name: Helvine
RRUFF ID: R060059
Ideal Chemistry: Be3Mn2+4(SiO4)3S
Locality: Schwarzenberg, Saxony, Germany
Source: University of Arizona Mineral Museum 16161 [view label]
Owner: RRUFF
Description: Yellow-tan colored tetrahedra
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Groups: [ sodalite (24) ] [ cancrinite-sodalite (37) ]
Quick search: [ All Helvine samples (2) ]
CHEMISTRY 
RRUFF ID: R060059.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Mn2+2.93Fe2+0.48Zn0.35Ca0.15Fe3+0.09)Σ=4Be3.00((Si0.97Al0.03)Σ=1O4)3S1.00; BeO 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: M00669
Orientation: Laser parallel to  -a*  (-1 0 0).     Fiducial mark perpendicular to laser is parallel to  -c   [0 0 -1].
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R060059
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (RAW) View Graph
RRUFF File
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R060059.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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Infrared Data (Processed)
RRUFF File
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POWDER DIFFRACTION 
RRUFF ID: R060059.1
Sample Description: Powder
Cell Refinement Output: a: 8.2774(2)Å    b: 8.2774(2)Å    c: 8.2774(2)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 567.14(4)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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Cell Refinement Data
Cell Refinement Output Data
DIF File
X-ray Data (XY - Processed)
RRUFF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Helvine

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]

Werner A G (1817) Helvin, in Letztes Mineral-System bey Craz und Gerlach, und bey Carl Gerold Freiberg und Wien 29-29   [view file]

Glass J J, Jahns R H, Stevens R E (1944) Helvite and danalite from New Mexico and the helvite group, American Mineralogist, 29, 163-191   [view file]

Kingsbury A W G (1961) Beryllium minerals in Cornwall and Devon: helvine, genthelvite, and danalite, Mineralogical Magazine, 32, 921-940   [view file]

Dunn P J (1976) Genthelvite and the helvine group, Mineralogical Magazine, 40, 627-636   [view file]

Kudoh Y, Takéuchi Y (1981) The effect of pressure on helvite Mn8S2[Be6Si6O24], Zeitschrift für Kristallographie, 173, 305-312   [view file]

Hassan I, Grundy H D (1984) The crystal structures of sodalite-group minerals, Acta Crystallographica, B40, 6-13

Hassan I, Grundy H D (1985) The crystal structures of helvite group minerals, (Mn,Fe,Zn)8(Be6Si6O24)S2, American Mineralogist, 70, 186-192   [view file]

Antao S M, Hassan I (2002) Thermal analyses of sodalite, tugtupite, danalite and helvite, The Canadian Mineralogist, 40, 163-172   [view file]

Hettmann K, Wenzel T, Marks M, Markl G (2012) The sulfur speciation in S-bearing minerals: New constraints by a combination of electron microprobe analysis and DFT calculations with special reference to sodalite-group minerals, American Mineralogist, 97, 1653-1661   [view file]