Willemite R060875

Name: Willemite
RRUFF ID: R060875
Ideal Chemistry: Zn2SiO4
Locality: Franklin, Sussex County, New Jersey, USA
Source: Marcus Origlieri [view label]
Owner: RRUFF
Description: Yellowish brown massive
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) ]
RRUFF ID: R060875.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Zn1.76Mn0.23Mg0.01)Σ=2Si1.00O4
Microprobe Data File: [ Download Excel File ]
Sample Description: Unoriented sample

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RRUFF ID: R060875
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
RRUFF ID: R060875.1
Sample Description: Powder
Cell Refinement Output: a: 13.9767(4)Å    b: 13.9767(4)Å    c: 9.3477(4)Å
alpha: 90°    beta: 90°    gamma: 120°   Volume: 1581.42(9)Å3    Crystal System: hexagonal
  File Type Information Close
Calculated diffraction file.

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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 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]