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Scottyite

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Formula:
BaCu2Si2O7
System:
Orthorhombic
Name:
Named for Michael Scott (1945 - ), first CEO of Apple and significant sponsor of the Rruff project.
Also known as a synthetic phase.

Classification of Scottyite

Approved 2012
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http://www.mindat.org/min-42861.html
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First Recorded Occurrence of Scottyite

General Appearance of First Recorded Material:
Blue massive, associated with wesselsite and lavinskyite.
Place of Conservation of First Recorded Material:
Mineral Museum of the University of Arizona, Tucson, Arizona, USA, catalogue number 19334

Crystallography of Scottyite

Crystal System:
Orthorhombic
Cell Parameters:
a = 6.8556(2) Å, b = 13.1725(4) Å, c = 6.8901(2) Å
α = 90°, β = 90°, γ = 90°
Ratio:
a:b:c = 0.52 : 1 : 0.523
Unit Cell Volume:
V 622.21 ų
X-Ray Powder Diffraction Data:
d-spacingIntensity
6.586(52)
3.911(22)
3.078(17)
3.053(64)
3.041(100)
2.726(52)
2.430(37)
1.955(20)

Chemical Properties of Scottyite

Formula:
BaCu2Si2O7
Essential elements:
All elements listed in formula:

Other Names for Scottyite

Name in Other Languages:

Other Information

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Scottyite

Reference List:
Janczak, J., Kubiak, R. & Glowiak, T. (1990): Structure of barium copper pyrosilicate at 300 K. Acta Crystallographica, C46, 1383-1385.

Hentschel, G. (1993): Die Lavaströme der Graulai: eine neue Fundstelle in der Westeifel. Lapis 12 (9), 11-23. (in German) [as Unnamed (Ba-Cu Silicate) identical with synthetic BaCu2Si2O7]

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.

G. Blass, H.-W. Graf, U. Kolitsch and D. Sebold (2009): The new finds from the volcanic Eifel (II). Mineralien-Welt 20 (2), 38-49. (in German) [as Unnamed (Ba-Cu Silicate) identical with synthetic BaCu2Si2O7]

Yang, H., Downs, R.T., Evans, S.H., Pinch, W.W. and Origlieri, M.J. (2012): Scottyite, IMA 2012-027. CNMNC Newsletter No. 14, October 2012, page 1284; Mineralogical Magazine, 76, 1281-1288.

Yang, H., Downs, R.T., Evans, S., Pinch, W. (2013): Scottyite, the natural analogue of synthetic BaCu2Si2O7, a new mineral from the Wessels mine, Kalahari Manganese Fields, South Africa. American Mineralogist, 98, 478–484.

Internet Links for Scottyite

Localities for Scottyite

map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Germany
 
  • Rhineland-Palatinate
    • Eifel
      • Daun
        • Oberstadtfeld
Blaß, G. & Schüller, W. (2011): „Unglaubliche“ Kupfermineralien aus der Vulkaneifel: Auf‘m Kopp bei Neroth. Lapis 36 (10), 21-28; 90.
        • Üdersdorf
G. Blass, H.-W. Graf, U. Kolitsch and D. Sebold (2009): The new finds from the volcanic Eifel (II). Mineralien-Welt 20 (2), 38-49. (in German)
      • Hillesheim
Hentschel, G. (1993): Die Lavaströme der Graulai: eine neue Fundstelle in der Westeifel. Lapis 12 (9), 11-23. (in German); G. Blass, H.-W. Graf, U. Kolitsch and D. Sebold (2009): The new finds from the volcanic Eifel (II). Mineralien-Welt 20 (2), 38-49. (in German); Uwe Kolitsch & H. J. Bernhardt (unpublished structure refinement and EPMA data)
South Africa
 
  • Northern Cape Province
    • Kalahari manganese field
      • Hotazel
http://rruff.info/scottyite; Yang, H., Downs, R.T., Evans, S.H., Pinch, W.W. and Origlieri, M.J. (2012): Scottyite, IMA 2012-027. CNMNC Newsletter No. 14, October 2012, page 1284; Mineralogical Magazine, 76, 1281-1288; Yang, H., Downs, R.T., Evans, S., Pinch, W. (2013): Scottyite, the natural analogue of synthetic BaCu2Si2O7, a new mineral from the Wessels mine, Kalahari Manganese Fields, South Africa. American Mineralogist, 98, 478–484.
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