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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.
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Name: Scottyite RRUFF ID: R120077 Ideal Chemistry: BaCu2Si2O7 Locality: Wessels mine, Kalahari manganese field, Northern Cape Province, South Africa Source: William W. Pinch and Marcus Origlieri Owner: RRUFF Description: Blue massive, associated with R120019 wesselsite and R120057 lavinskyite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
Mineral Group: [ Not in a structural group (133) ] | ||
Quick search: [ All Scottyite samples (4) ] |
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: | R120077.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 6.8556(2)Å b: 13.1725(4)Å c: 6.8901(2)Å alpha: 90° beta: 90° gamma: 90° Volume: 622.21(6)Å3 Crystal System: orthorhombic |
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REFERENCES for Scottyite | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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Janczak J, Kubiak R, Glowiak T (1990) Structure of barium copper pyrosilicate at 300 K, Acta Crystallographica, C4146, 1383-1385 |
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Hentschel G (1993) Die Lavaströme der Graulai: eine neue Fundstelle in der Westeifel. Unsichere und unbekannte Minerale. B. Unbekanntes Ba-Cu-Silikat, Lapis, 18, 23-23 |
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Yamada T, Hiroi Z, Takano M (2001) Spin-1/2 quantum antiferromagnetic chains with tunable superexchange interactions found in BaCu2(Si1-xGex)2O7, Journal of Solid State Chemistry, 156, 101-109 |
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Sologubenko A V, Ott H R, Dhalenne G, Revcolevschi A (2003) Universal behavior of spin-mediated energy transport in S=1/2 chain cuprates: BaCu2Si2O7 as an example, Europhysics Letters, 62, 540-546 |
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Glazkov V N, Smirnov A I, Revcolevschi A, Dhalenne G (2005) Magnetic resonance study of the spin-reorientation transitions in the quasi-one-dimensional antiferromagnet BaCu2Si2O7, Physical Review B, 72, 104401-8 |
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Blaβ G, Schüller E, Schüller W (2011) Unglaubliche" Kupfermineralien aus der Vulkaneifel: Auf'm Kopp bei Neroth, Lapis, 22, 21-28, 90 |
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Williams P A, Hatert F, Pasero M, Mills S J (2012) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) Newsletter 14, New minerals and nomenclature modifications approved in 2012, Mineralogical Magazine, 76, 1281-1288 [view file] |
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Yang H, Downs R T, Evans S H, Pinch W W (2013) Scottyite, the natural analog of synthetic BaCu2Si2O7, a new mineral from the Wessels mine, Kalahari Manganese Fields, South Africa, American Mineralogist, 98, 478-484 [view file] |
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Chen Y, Zhang Y, Feng S (2014) Hydrothermal synthesis and properties of pigments Chinese purple BaCuSi2O6 and dark blue BaCu2Si2O7, Dyes and Pigments, 105, 167-173 |
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Lee P L, Huang E, Kung J (2021) High-pressure Raman spectroscopy and X-ray diffraction study on scottyite, BaCu2Si2O7, Minerals, 11, 608 [view file] |
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