Schorlomite R060125

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Record 76 of 93  


Name: Schorlomite
RRUFF ID: R060125
Ideal Chemistry: Ca3Ti2(SiFe3+2)O12
Locality: Magnet Cove, Arkansas, USA
Source: University of Arizona Mineral Museum 2151 [view label]
Owner: RRUFF
Description: Black massive
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ garnet (93) ]
Quick search: [ All Schorlomite samples (3) ]
CHEMISTRY 
RRUFF ID: R060125.2
Sample Description: Microprobe fragment
Measured Chemistry: Ca3.00(Ti4+0.74Zr0.44Fe3+0.38Al0.21Mg0.20Mn0.03)Σ=2[(Si0.68Fe3+0.32)Σ=1O4]3
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R060125
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R060125.1
Sample Description: Powder, mixture of two garnet phases, the second phase is andradite
Cell Refinement Output: a: 12.0988(4)Å    b: 12.0988(4)Å    c: 12.0988(4)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 1771.0(2)Å3    Crystal System: cubic
  File Type Information Close
Calculated diffraction file.

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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Schorlomite

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]

Shepard C U (1846) On three new mineral species from Arkansas, and the discovery of the diamond in North Carolina, American Journal of Science and Arts, 52, 249-254   [view file]

Gongbao W, Baolei M (1986) The crystal chemistry and Mössbauer study of schorlomite, Physics and Chemistry of Minerals, 13, 198-205

Peterson R C, Locock A J, Luth R W (1995) Positional disorder of oxygen in garnet: the crystal-structure refinement of schorlomite, The Canadian Mineralogist, 33, 627-631   [view file]

Chakhmouradian A R, McCammon C A (2005) Schorlomite: a discussion of the crystal chemistry, formula, and inter-species boundaries, Physics and Chemistry of Minerals, 32, 277-289

Grew E S, Locock A J, Mills S J, Galuskina I O, Galuskin E V, Hålenius U (2013) Nomenclature of the garnet supergroup, American Mineralogist, 98, 785-811   [view file]

Schingaro E, Lacalamita M, Mesto E, Ventruti G, Pedrazzi G, Ottolini L, Scordari F (2016) Crystal chemistry and light elements analysis of Ti-rich garnets, American Mineralogist, 101, 371-384