Trolleite R050545
Name: Trolleite
RRUFF ID: R050545
Ideal Chemistry: Al4(PO4)3(OH)3
Locality: near Laws, Mono County, California, USA
Source: University of Arizona Mineral Museum 9814 [view label]
Owner: RRUFF
Description: Colorless to light blue massive fragment, 2-fold twin around [1 0 2]
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Quick search: [ All Trolleite samples (2) ]
CHEMISTRY 
RRUFF ID: R050545.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Al3.93Fe3+0.06Cr0.01)Σ=4(P1.00O4)3(OH)3; OH estimated by difference
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: R050545
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (Processed)
RRUFF File
Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R050545.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 18.850(6)Å    b: 7.156(2)Å    c: 7.154(1)Å
alpha: 90°    beta: 100.00(2)°    gamma: 90°   Volume: 950.3(3)Å3    Crystal System: monoclinic
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Calculated diffraction file.

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

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DIF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Trolleite

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]

Blomstrand C W (1868) Om Westanå mineralier, Öfversigt af Kongliga Vetenskaps-Akademiens Förhandlingar, 25, 197-212   [view file]

Fleischer M, Mandarino J A, Strunz H, Cech F (1965) New mineral names, American Mineralogist, 50, 261-268   [view file]

Moore P B, Araki T (1974) Trolleite, Al4(OH)3[PO4]3: a very dense structure with octahedral face-sharing dimers, American Mineralogist, 59, 974-984   [view file]

Dyar M D, Jawin E R, Breves E, Marchand G, Nelms M, Lane M D, Mertzman S A, Bish D L and Bishop J L (2014) Mössbauer parameters of iron in phosphate minerals: Implications for interpretation of martian data, American Mineralogist, 99, 914-942   [view file]