Guyanaite R070444
Name: Guyanaite
RRUFF ID: R070444
Ideal Chemistry: CrO(OH)
Locality: Merume river, Kamakusa, Mazaruni District, Guyana
Source: Michael Scott S104672 [view label]
Owner: RRUFF
Description: Black alluvial grains
Status: The identification of this mineral is not yet confirmed.
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
DOWNLOADS:

  To download sample data,
  please select a specific
  orientation angle.
Direction of polarization of laser relative to fiducial mark:
X Min:    X Max:    X Sort:
BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R070444
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
DOWNLOADS:

Raman Data (RAW) View Graph
RRUFF File
REFERENCES for Guyanaite

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]

Christensen N, Hansen P, Lehmann M S (1976) Isotope effects in the bonds of β-CrOOH and β-CrOOD, Journal of Solid State Chemistry, 19, 299-304

Milton C, Appleman D E, Appleman M H, Chao E C T, Cuttita F, Dinnin J I, Dwornik E J, Ingram B L, Rose H J (1976) Merumite, a complex assemblage of chromium minerals from Guyana, U.S. Geological Survey Professional Paper, 887, 1-29   [view file]

Fleischer M, Cabri L J, Nickel E H, Pabst A (1977) New mineral names, American Mineralogist, 62, 593-600   [view file]