Important Update News

The RRUFF Project has been migrated to RRUFF.net. Please update your bookmarks immediately, if you have not done so.

The data on this website is already three years out of date, and the entire website will be taken offline before the end of the year.

We are grateful to NASA for the funding of this effort.

Pararobertsite R120119

Browse Search Results 
<< Previous |  Back to Search Results |  Next >> 
Record 886 of 4216  


Name: Pararobertsite
RRUFF ID: R120119
Ideal Chemistry: Ca2Mn3+3(PO4)3O2·3H2O
Locality: Tip Top mine, Custer, South Dakota, USA
Source: Thomas A. Loomis. Anthony R. Kampf provided a few crystals (Kampf 2000). [view label]
Owner: RRUFF
Description: Spherical aggregate of brown platy crystals on colorless bobdownsite
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
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: R120119
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 50% of 150mW
DOWNLOADS:

Raman Data (Processed)
RRUFF File
Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R120119.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 8.826(2)Å    b: 13.105(3)Å    c: 11.084(2)Å
alpha: 90°    beta: 101.09(3)°    gamma: 90°   Volume: 1258.1(6)Å3    Crystal System: monoclinic
  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.

DOWNLOADS:

DIF File
X-ray Data (XY - RAW) View Graph
RRUFF File
X Min:    X Max:    X Sort:
REFERENCES for Pararobertsite

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]

Roberts A C, Sturman B D, Dunn P J, Roberts W L (1989) Pararobertsite, Ca2Mn3+3(PO4)3O2·3H2O, a new mineral species from the Tip Top pegmatite, Custer County, South Dakota, and its relationship to robertsite, The Canadian Mineralogist, 27, 451-455   [view file]

Jambor J L, Puziewicz J (1990) New mineral names, American Mineralogist, 75, 1209-1216   [view file]

Kampf A R (2000) The crystal structure of pararobertsite and its relationship to mitridatite, American Mineralogist, 85, 1302-1306   [view file]