Thaumasite R060296

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Record 4 of 5  

Name: Thaumasite
RRUFF ID: R060296
Ideal Chemistry: Ca3Si(OH)6(CO3)(SO4)·12H2O
Locality: N'Chwaning II mine, Kalahari manganese field, Cape Province, South Africa
Source: Herb Obodda 030 [view label]
Owner: RRUFF
Description: Pale blue hexagonal prism
Status: The identification of this mineral has been confirmed by X-ray diffraction.
Mineral Group: [ Ettringite (5) ]
Quick search: [ All Thaumasite samples (2) ]
CHEMISTRY 
RRUFF ID: R060296.2
Sample Description: Microprobe fragment
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R060296
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R060296.1
Sample Description: Powder
Cell Refinement Output: a: 11.0601(4)Å    b: 11.0601(4)Å    c: 10.436(1)Å
alpha: 90°    beta: 90°    gamma: 120°   Volume: 1105.5(0)Å3    Crystal System: hexagonal
  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 Thaumasite

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]

Nordenskiöld A E (1878) Sur une nouvelle espèce minérale nommée thaumasite, Comptes Rendus Hebdomadaires des Séances de l'Académie des Sciences, 87, 313-314   [view file]

Welin E (1968) Notes on the mineralogy of Sweden 6. X-ray powder data for minerals from Långban and the related mineral deposits of Central Sweden, Arkiv för Mineralogi och Geologi, 4, 499-541

Edge R A, Taylor H F W (1971) Crystal structure of thaumasite, [Ca3Si(OH)6.12H2O](SO4)(CO3), Acta Crystallographica, B27, 594-601

Effenberger H, Kirfel A, Will G, Zobetz E (1983) A further refinement of the crystal structure of thaumasite, Ca3Si(OH)6CO3SO4·12H2O, Neues Jahrbuch für Mineralogie, Monatshefte, 1983, 60-68

Jacobsen S D, Smyth J R, Swope R J (2003) Thermal expansion of hydrated six-coordinated silicon in thaumasite, Ca3Si(OH)6(CO3)(SO4)·12H2O, Physics and Chemistry of Minerals, 30, 321-329

Martucci A, Cruciani G (2006) In situ time resolved synchrotron powder diffraction study of thaumasite, Physics and Chemistry of Minerals, 33, 723-731

Lane M D (2007) Mid-infrared emission spectroscopy of sulfate and sulfate-bearing minerals, American Mineralogist, 92, 1-18   [view file]

Chukanov N V, Britvin S N, Van K V, Möckel S, Zadov A E (2012) Kottenheimite, Ca3Si(OH)6(SO4)2·12H2O, a new member of the ettringite group from the Eifel area, Germany, The Canadian Mineralogist, 50, 55-63   [view file]

Gatta G D, McIntyre G J, Swanson J G, Jacobsen S D (2012) Minerals in cement chemistry: A single-crystal neutron diffraction and Raman spectroscopic study of thaumasite, Ca3Si(OH)6(CO3)(SO4)·12H2O, American Mineralogist, 97, 1060-1069   [view file]

Pekov I V, Chukanov N V, Britvin S N, Kabalov Y K, Göttlicher J, Yapaskurt V O, Zadov A E, Krivovichev S V, Schüller W, Ternes B (2012) The sulfite anion in ettringite-group minerals: a new mineral species hielscherite, Ca3Si(OH)6(SO4)(SO3)·11H2O, and the thaumasite-hielscherite solid-solution series, Mineralogical Magazine, 76, 1133-1152   [view file]

Ardit M, Cruciani G, Dondi M, Garbarino G L, Nestola F (2014) Phase transitions during compression of thaumasite, Ca3Si(OH)6(CO3)(SO4)·12H2O: a high-pressure synchrotron powder X-ray diffraction study, Mineralogical Magazine, 78, issue 5 1193-1208