Paracoquimbite R050351
Name: Paracoquimbite
RRUFF ID: R050351
Ideal Chemistry: Fe3+4(SO4)6(H2O)12·6H2O
Locality: Cyprus
Source: California Institute of Technology W-19151
Owner: RRUFF
Description: Purple fragment
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Coquimbite (5) ]
Quick search: [ All Paracoquimbite samples (2) ]
CHEMISTRY 
RRUFF ID: R050351.2
Sample Description: Microprobe fragment
Measured Chemistry: (Fe3+1.97Al0.03)Σ=2(S1.00O4)3·9H2O
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050351
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: R050351.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 10.947(1)Å    b: 10.947(1)Å    c: 51.416(4)Å
alpha: 90°    beta: 90°    gamma: 120°   Volume: 5337.4(9)Å3    Crystal System: hexagonal
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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 Paracoquimbite

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]

Ungemach M H (1933) Sur quelques minéraux nouveaux, Comptes Rendus de l'Académie des Sciences de Paris, 197, 1132-1134   [view file]

Foshag W F (1934) New mineral names, American Mineralogist, 19, 287-288   [view file]

Foshag W F (1936) New mineral names, American Mineralogist, 21, 332-332   [view file]

Fang J H, Robinson P D (1971) Crystal structures and mineral chemistry of hydrated ferric sulphates: II. The crystal structure of paracoquimbite, American Mineralogist, 56, 1567-1572   [view file]

Ackermann S, Lazic B, Armbruster T, Doyle S, Grevel K D, Majzlan J (2009) Thermodynamic and crystallographic properties of kornelite [Fe2(SO4)3·~7.75H2O] and paracoquimbite [Fe2(SO4)3·9H2O], American Mineralogist, 94, 1620-1628   [view file]

Yang Z, Giester G (2018) Structure refinements of coquimbite and paracoquimbite from the Hongshan Cu-Au deposit, NW China, European Journal of Mineralogy, 30, 849-858

Miyawaki R, Hatert F, Pasero M, Mills S J (2019) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) Newsletter 52. New minerals and nomenclature modifications approved in 2019, Mineralogical Magazine, 83, 887-893   [view file]