Important Update News
The RRUFF Project is being updated to improve its interface and content. The beta version of the update is accessible to the public at RRUFF.net. New data is only being added to the beta site. Please note that it is in development, and some components are not functional. Existing RRUFF.info links will resolve to the new site after RRUFF.net is officially released.
We are grateful to NASA for the funding of this effort.
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Name: Wesselsite RRUFF ID: R120019 Ideal Chemistry: SrCuSi4O10 Locality: Wessels mine, Kalahari manganese field, Northern Cape Province, South Africa Source: William W. Pinch [view label] Owner: RRUFF Description: Dark blue massive, associated with R120057 lavinskyite and R120077 scottyite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
Mineral Group: [ Gillespite (5) ] |
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: | R120019.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 7.3819(7)Å b: 7.3819(7)Å c: 15.658(2)Å alpha: 90° beta: 90° gamma: 90° Volume: 853.3(1)Å3 Crystal System: tetragonal |
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REFERENCES for Wesselsite | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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Chakoumakos B C, Fernandez-Baca J A, Boatner L A (1993) Refinement of the structures of the layer silicates MCuSi4O10 (M=Ca, Sr, Ba) by Rietveld analysis of neutron powder diffraction data, Journal of Solid State Chemistry, 103, 105-113 |
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Giester G, Rieck B (1996) Wesselsite, SrCu[Si4O10], a further new gillespite-group mineral from the Kalahari Manganese Field, South Africa, Mineralogical Magazine, 60, 795-798 [view file] |
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Jambor J L, Puziewicz J, Roberts A C (1997) New mineral names, American Mineralogist, 82, 620-624 [view file] |
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Knight K S, Henderson C M B (2007) Structural basis for the anomalous low-temperature thermal expansion behaviour of the gillespite-structured phase Ba0.5Sr0.5CuSi4O10, European Journal of Mineralogy, 19, 189-200 |
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Knight K S, Henderson C M B, Clark S M (2010) Structural variations in the wesselsite-effenbergerite (Sr1-xBaxCuSi4O10) solid solution, European Journal of Mineralogy, 22, 411-423 |
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Rieck B, Pristacz H, Giester G (2015) Colinowensite, BaCuSi2O6, a new mineral from the Kalahari Manganese Field, South Africa and new data on wesselsite SrCuSi4O10, Mineralogical Magazine, 79, 1769-1778 [view file] |
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