Thaumasite R060296

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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 (6) ]
Quick search: [ All Thaumasite samples (2) ]
RRUFF ID: R060296.2
Sample Description: Microprobe fragment
Sample Description: Unoriented Raman on the primary sample

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RRUFF ID: R060296
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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.

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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, 1193-1208