Important Update News

rruff.info is being updated to improve its interface and content. The beta version of the update is accessible to the public at www.rruff.net. New data is only being added to the beta site. Please note that it is in development, and some components are not functional. Once released, the address will revert to RRUFF.info.

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

Macdonaldite R060770

Browse Search Results 
<< Previous |  Back to Search Results |  Next >> 
Record 90 of 144  


Name: Macdonaldite
RRUFF ID: R060770
Ideal Chemistry: BaCa4Si16O36(OH)2·10H2O
Locality: Rush Creek, Fresno County, California, USA
Source: Michael Scott S101090 [view label]
Owner: RRUFF
Description: Radiating aggregates of white platy crystals
Status: The identification of this mineral is not yet confirmed.
Mineral Group: [ Rhodesite (5) ]
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: R060770
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
REFERENCES for Macdonaldite

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]

Alfors J T, Stinson M C, Matthews R A, Pabst A (1965) Seven new barium minerals from eastern Fresno County, California, American Mineralogist, 50, 314-340   [view file]

Cannillo E, Rossi G, Ungaretti L (1968) The crystal structure of macdonaldite, Atti della Accademia Nazionale dei Lincei, Serie 8, 45, 399-414