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.

Murdochite R180001

Browse Search Results 
<< Previous |  Back to Search Results |  Next >> 
Record 101 of 144  


Name: Murdochite
RRUFF ID: R180001
Ideal Chemistry: Cu12Pb2O15Cl2
Locality: Mammoth mine, Tiger, Pinal County, Arizona, USA
Source: UA Mineral Museum 5279 [view label]
Owner: UA Mineral Museum
Description: Black octahedral or cubo-octahedral crystals, associated with green prismatic dioptase
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Murdochite (3) ]
Quick search: [ All Murdochite samples (2) ]
CHEMISTRY 
RRUFF ID: R180001.2
Sample Description: Microprobe Fragment
Measured Chemistry: Cu11.98Pb2.01O15(Cl1.92Br0.06) ; = Light portion. Cu12.12Pb1.92O15(Cl1.97Br0.12) = Dark portion
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary 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: R180001
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
DOWNLOADS:

Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R180001.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 9.2352(19)Å    b: 9.2352(19)Å    c: 9.2352(19)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 787.7(3)Å3    Crystal System: cubic
DOWNLOADS:
X Min:    X Max:    X Sort:
REFERENCES for Murdochite

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]

Christ C L, Clark J R (1955) The crystal structure of murdochite, American Mineralogist, 40, 907-916   [view file]

Fahey J J (1955) Murdochite, a new copper lead oxide mineral, American Mineralogist, 40, 905-906   [view file]

Dubler E, Vedani A, Oswald H R (1983) New structure determination of murdochite, Cu6PbO8, Acta Crystallographica, C39, 1143-1146

Dunn P J, Fleischer M, Francis C A, Langley R H, Kissin S A, Shigley J E, Vanko D A, Zilczer J A (1984) New mineral names, American Mineralogist, 69, 810-815   [view file]

Taguchi H (1998) Relationship between crystal structure and electrical properties of murdochite-type Ni6+2xMn1-xO8, Solid State Communications, 108, 635-639

Winkler B, Chall M, Pickard C J, Milman V, White J (2000) Structure of Cu6PbO8, Acta Crystallographica, B56, 22-26