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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. |
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Mineral Group: [ Ettringite (6) ] | ||
Quick search: [ All Thaumasite samples (2) ] |
CHEMISTRY | ||||||
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RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | ||||||||
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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 |
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REFERENCES for Thaumasite | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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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] |
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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] |
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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 |
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Edge R A, Taylor H F W (1971) Crystal structure of thaumasite, [Ca3Si(OH)6.12H2O](SO4)(CO3), Acta Crystallographica, B27, 594-601 |
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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 |
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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 |
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Martucci A, Cruciani G (2006) In situ time resolved synchrotron powder diffraction study of thaumasite, Physics and Chemistry of Minerals, 33, 723-731 |
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Lane M D (2007) Mid-infrared emission spectroscopy of sulfate and sulfate-bearing minerals, American Mineralogist, 92, 1-18 [view file] |
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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] |
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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] |
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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] |
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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 |
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