Moraesite R060876



Name: Moraesite
RRUFF ID: R060876
Ideal Chemistry: Be2(PO4)(OH)·4H2O
Locality: Galileia, Minas Gerais, Brazil
Source: Bob Jenkins [view label]
Owner: RRUFF
Description: Colorless to tan fibrous crystals associated with beryllonite
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Quick search: [ All Moraesite samples (2) ]
CHEMISTRY 
RRUFF ID: R060876.2
Sample Description: Microprobe Fragment
Measured Chemistry: Be2.00P1.00O4((OH)0.85F0.15)Σ=1·4H2O; trace amounts of Al and Fe; Be and H not measured but assumed by stoichiometry
Microprobe Data File: [ Download Excel File ]
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: R060876
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R060876.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 8.544(3)Å    b: 12.288(3)Å    c: 7.136(1)Å
alpha: 90°    beta: 97.79(2)°    gamma: 90°   Volume: 742.3(4)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.

X Min:    X Max:    X Sort:
REFERENCES for Moraesite

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]

Lindberg M L, Pecora W T, Barbosa A L M (1953) Moraesite, a new hydrous beryllium phosphate from Minas Gerais, Brazil, American Mineralogist, 38, 1126-1133   [view file]

Fleischer M (1954) New mineral names, American Mineralogist, 39, 402-408   [view file]

Cassedanne J P, Cassedanne J O (1987) La moraesite de la mine de tourmaline de Humaita, Minas Gerais, Brésil, The Canadian Mineralogist, 25, 419-424   [view file]

Merlino S, Pasero M (1992) Crystal chemistry of beryllophosphates: The crystal structure of moraesite, Be2(PO4)(OH)·4H2O, Zeitschrift für Kristallographie, 201, 253-262   [view file]