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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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