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Willemite R100109

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Name: Willemite
RRUFF ID: R100109
Ideal Chemistry: Zn2SiO4
Locality: Franklin, Sussex County, New Jersey, USA
Source: American Museum of Natural History 98993 [view label]
Owner: RRUFF
Description: Pale yellow transparent fragments
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Phenakite (8) ]
Quick search: [ All Willemite samples (3) ]
CHEMISTRY 
RRUFF ID: R100109.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Zn1.677Mn+20.242Mg0.034Fe+20.001)Σ=1.954Si1.023O4
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R100109
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R100109.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 13.979(1)Å    b: 13.979(1)Å    c: 9.345(1)Å
alpha: 90°    beta: 90°    gamma: 120°   Volume: 1581.6(2)Å3    Crystal System: hexagonal
  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 Willemite

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]

Levy A (1830) Der Willemit, Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde, 1, 71-71   [view file]

Brown J S (1936) Supergene sphalerite, galena and willemite at Balmat, N.Y., Economic Geology, 31, 331-354

Hang C, Simonov M A, Belov N V (1970) Crystal structures of willemite Zn2[SiO4] and its germanium analog Zn2[GeO4], Soviet Physics - Crystallography, 15, 387-390   [view file]

Simonov M A, Sandomirskii P A, Egorov-Tismenko Y K, Belov N V (1977) Crystal structure of willemite, Zn2[SiO4], Doklady Akademii Nauk SSSR, 237, 581-584   [view file]

Klaska K H, Eck J C, Pohl D (1978) New investigation of willemite, Acta Crystallographica, B34, 3324-3325

Finch A A (1990) Genthelvite and willemite, zinc minerals associated with alkaline magmatism from the Motzfeldt centre, South Greenland, Mineralogical Magazine, 54, 407-412   [view file]

Shannon R D, Shannon R C, Medenbach O, Fischer R X (2002) Refractive index and dispersion of fluorides and oxides, Journal of Physical and Chemical Reference Data, 31, 931-970   [view file]

Choulet F, Richard J, Boiron M C, Dekoninck A, Yans J (2019) Distribution of trace elements in willemite from the Belgium non-sulphide deposits, European Journal of Mineralogy, 31, 983-997