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Scottyite

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Formula:
BaCu
 
2
Si
 
2
O
 
7
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

IMA status:Approved 2012
mindat.org URL:http://www.mindat.org/min-42861.html
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Type Occurrence of Scottyite

Type Locality:Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese field, Northern Cape Province, South Africa
General Appearance of Type Material:Blue massive, associated with wesselsite and lavinskyite.
Place of Conservation of Type 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:
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:
BaCu
 
2
Si
 
2
O
 
7
Simplified for copy/paste:BaCu2Si2O7
Essential elements:Ba, Cu, O, Si
All elements listed in formula:Ba, Cu, O, Si

Other Names for Scottyite

Synonyms:
IMA2012-027Unnamed (Ba-Cu Silicate)
Other Languages:

Other Information

Health Warning: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

Search Engines:
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  • External Links:
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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Mineral Dealers:
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  • Scottyite specimens for sale - minfind.com
  • Search for Scottyite on Well-Arranged Molecules
  • Localities for Scottyite

    The 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. ? 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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    Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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