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Lavinskyite

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Dr. Robert Lavinsky
Formula:
K(Li,Cu,Mg,Na)2Cu6(Si4O11)2(OH)4
Crystal System:
Orthorhombic
Name:
Named by H. Yang, R.T. Downs, S.H. Evans, and W.W. Pinch in 2014 in honor of Robert Matthew Lavinsky (13 December 1972, Columbus, Ohio, USA - ), mineral collector and dealer.
Two polytypes are known, lavinskyite-2O (formerly "lavinskyite") and lavinskyite-1M; the latter was originally approved as "liguriaite", but subsequently recognised as a monoclinic MDO polytype of "lavinskyite" (IMA proposal 16-E).

Lavinskyite-2O is isotypic with plancheite.



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Classification of LavinskyiteHide

Approved
Approval Year:
2012
First Published:
2014

Chemical Properties of LavinskyiteHide

Formula:
K(Li,Cu,Mg,Na)2Cu6(Si4O11)2(OH)4
IMA Formula:
K(LiCu)Cu6(Si4O11)2(OH)4
Idealised Formula:
K(LiCu)Cu6(Si4O11)2(OH)4

Crystallography of LavinskyiteHide

Polytype:
Formula:
Crystal System:
Class (H-M)
Space Group:
Space Group Setting:
Cell Parameters:
Ratio:
Unit Cell Volume (calc):
Z:
Lavinskyite-1MLavinskyite-2O
K(Li,Cu)Cu6(Si4O11)2(OH)4 
Monoclinic Orthorhombic 
2/m - Prismaticmmm (2/m 2/m 2/m) - Dipyramidal
P21/b  
P21/c  
a = 10.224(2) Å, b = 19.085(4) Å, c = 5.252(1) Å
γ = 92.23(3)°
a = 19.046(3) Å, b = 20.377(2) Å, c = 5.2497(6) Å
α = 90°, β = 90°, γ = 90°
a:b:c = 0.536 : 1 : 0.275a:b:c = 0.935 : 1 : 0.258

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V 0.00 ų
(Calculated from Unit Cell)
V 2037.4 ų
  

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
10.189(100)
8.984(74)
4.921(25)
3.973(19)
3.343(32)
2.693(29)
2.522(27)
2.316(22)

Type Occurrence of LavinskyiteHide

General Appearance of Type Material:
Light blue plates, associated with wesselsite and scottyite.
Place of Conservation of Type Material:
Mineral Museum of the University of Arizona, Tucson, Arizona, USA, catalogue number 19335

Synonyms of LavinskyiteHide

Other Language Names for LavinskyiteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Scottyite10 photos of Lavinskyite associated with Scottyite on mindat.org.
Effenbergerite8 photos of Lavinskyite associated with Effenbergerite on mindat.org.
Wesselsite8 photos of Lavinskyite associated with Wesselsite on mindat.org.
Sugilite3 photos of Lavinskyite associated with Sugilite on mindat.org.

Other InformationHide

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 LavinskyiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Yang, H., Downs, R.T., Evans, S.H., Pinch, W.W. 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.H., Pinch, W.W. (2014) Lavinskyite, K(LiCu)Cu6(Si4O11)2(OH)4, isotypic with planchéite, a new mineral from the Wessels mine, Kalahari Manganese Fields, South Africa. American Mineralogist: 99: 525-530.
CNMNC Newsletter No. 32, August 2016

Internet Links for LavinskyiteHide

Localities for LavinskyiteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Italy
 
  • Liguria
    • La Spezia Province
      • Vara Valley
        • Borghetto Vara
analysed by Dr. Anthony Kampf, Natural History Museum of Los Angeles County, USA
South Africa (TL)
 
  • Northern Cape Province
    • Kalahari manganese field
      • Hotazel
http://rruff.info/lavinskyite; Yang, H., Downs, R.T., Evans, S.H., Pinch, W.W. (2014): Lavinskyite, K(LiCu)Cu6(Si4O11)2(OH)4, isotypic with planchéite, a new mineral from the Wessels mine, Kalahari Manganese Fields, South Africa. American Mineralogist, 99, 525-530.
      • Kuruman
        • N'Chwaning Mines
Label from Kalahari Minerals.
Mineral and/or Locality  
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