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Protochabournéite R140583

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Name: Protochabournéite
RRUFF ID: R140583
Ideal Chemistry: Tl4-xPb2+2xSb20-x-yAsyS34 (with 0.02 ≤ x ≤ 0.34, 5.71 ≤ y ≤ 6.69)
Locality: Monte Arsiccio mine, Sant'Anna Di Stazzema, Stazzema, Apuan Alps, Lucca Province, Tuscany, Italy
Source: Stefan Schorn [view label]
Owner: RRUFF
Description: Black metallic crystals
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Chabourneite (3) ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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RRUFF ID: R140583
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (Processed)
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R140583.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 8.111(2)Å    b: 8.670(2)Å    c: 21.499(5)Å
alpha: 85.12(1)°    beta: 96.39(1)°    gamma: 88.76(1)°   Volume: 1496.2(5)Å3    Crystal System: triclinic
  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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DIF File
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RRUFF File
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REFERENCES for Protochabournéite

American Mineralogist Crystal Structure Database Record: [view record]

Williams P A, Hatert F, Pasero M, Mills S J (2011) IMA Commission on new minerals, nomenclature and classification (CNMNC) Newsletter 11. New minerals and nomenclature modifications approved in 2011, Mineralogical Magazine, 75, 2887-2893   [view file]

Orlandi P, Biagioni C, Moelo Y, Bonaccorsi E, Paar W H (2013) Lead-antimony sulfosalts from Tuscany (Italy). XIII. Protochabournéite, ~Tl2Pb(Sb9-8As1-2)Σ10S17, from the Monte Arsiccio mine: occurrence, crystal structure, and relationship with chabournéite, The Canadian Mineralogist, 51, 475-494   [view file]

Belakovskiy D I, Gagne O C (2015) New mineral names, American Mineralogist, 100, 1649-1654   [view file]

Miyawaki R, Hatert F, Pasero M, Mills S J (2021) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) Newsletter 63, Mineralogical Magazine, 85, 910-915   [view file]