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Name: Scottyite RRUFF ID: R141116 Ideal Chemistry: BaCu2Si2O7 Locality: Wessels mine, Kalahari manganese field, Northern Cape Province, South Africa Source: Jaco and Tania Janse van Nieuwenhuizen [view label] Owner: RRUFF Description: Dark blue granular or blocky crystals associated with light-blue platy lavinskyite (R141115) and blue wesselsite. 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: | R141116.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 6.846(2)Å b: 13.144(4)Å c: 6.877(2)Å alpha: 90° beta: 90° gamma: 90° Volume: 618.86(9)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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