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Tuscanite R050324

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Record 2207 of 2398  


Name: Tuscanite
RRUFF ID: R050324
Ideal Chemistry: KCa6(Si,Al)10O22(SO4,CO3)2(OH)·H2O
Locality: Valle Biachella, Sacrofano, Roma, Lazio, Italy
Source: Marcus Origlieri
Owner: RRUFF
Description: Colorless platy crystals
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
CHEMISTRY 
RRUFF ID: R050324.2
Sample Description: Microprobe fragment
Measured Chemistry: K1.00(Ca5.55Na0.45)Σ=6(Si6.62Al3.38)10O22((SO4)1.80(PO4)0.17(CO3)0.03)Σ=2(OH)·H2O
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050324
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R050324.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 24.018(4)Å    b: 5.0974(5)Å    c: 10.862(2)Å
alpha: 90°    beta: 107.081(9)°    gamma: 90°   Volume: 1271.1(2)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.

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REFERENCES for Tuscanite

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]

Mellini M, Merlino S, Rossi G (1977) The crystal structure of tuscanite, American Mineralogist, 62, 1114-1120   [view file]

Orlandi P, Leoni L, Mellini M, Merlino S (1977) Tuscanite. a new mineral related to latiumite, American Mineralogist, 62, 1110-1113   [view file]

Zubkova N V, Chukanov N V, Varlamov D A, Vigasina M F, Pekov I V, Ksenofontova D A, Pushcharovsky D Y (2023) New data on the crystal chemistry of the natural two-layer aluminosilicates latiumite and tuscanite, Acta Crystallographica, B79, 296-304