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The data on this website is already three years out of date, and the entire website will be taken offline before the end of the year.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

Hydroxycalciomicrolite R130269

Browse Search Results 
<< Previous |  Back to Search Results |  Next >> 
Record 1954 of 4216  

Name: Hydroxycalciomicrolite
RRUFF ID: R130269
Ideal Chemistry: Ca1.5Ta2O6(OH)
Locality: Volta Grande, Minas Gerais, Brazil
Source: Marcelo Andrade
Owner: RRUFF
Description: Yellow dodecahedra and octahedra, type sample
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Groups: [ pyrochlore (28) ] [ microlite (15) ]
CHEMISTRY 
RRUFF ID: R130269.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Ca1.48Na0.06Mn0.01)Σ1.55(Ta1.88Nb0.11Sn0.01)Σ2O6[(OH)0.76F0.20O0.04]
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: R130269
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
DOWNLOADS:

Raman Data (Processed)
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R130269.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 10.4211(8)Å    b: 10.4211(8)Å    c: 10.4211(8)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 1131.7(2)Å3    Crystal System: cubic
DOWNLOADS:
X Min:    X Max:    X Sort:
REFERENCES for Hydroxycalciomicrolite

Williams P A, Hatert F, Pasero M, Mills S J (2013) IMA Commission on new minerals, nomenclature and classification (CNMNC) Newsletter 18. New minerals and nomenclature modifications approved in 2013, Mineralogical Magazine, 77, 3249-3258   [view file]

Andrade M B, Yang H, Atencio D, Downs R T, Chukanov N V, Lemée-Cailleau M H, Persiano A I C, Goeta A E, Ellena J (2017) Hydroxycalciomicrolite, Ca1.5Ta2O6(OH), a new member of the microlite group from Volta Grande pegmatite, Nazareno, Minas Gerais, Brazil, Mineralogical Magazine, 81, 555-564   [view file]

Belakovskiy D I, Cámara F, Gagné O C (2018) New mineral names, American Mineralogist, 103, 2036-2048   [view file]