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Lavinskyite

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Formula:
K(Li,Cu,Mg,Na)
 
2
Cu
 
6
(Si
 
4
O
 
11
)
 
2
(OH)
 
4
System:Orthorhombic
Name:
Named for Dr Robert Lavinsky


Isotypic with plancheite.

Classification of Lavinskyite

IMA status:Approved 2012
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Type Occurrence of Lavinskyite

Type Locality:Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese field, Northern Cape Province, South Africa
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

Crystallography of Lavinskyite

Crystal System:Orthorhombic
Cell Parameters:a = 19.046(3) Å, b = 20.377(2) Å, c = 5.2497(6) Å
α = 90°, β = 90°, γ = 90°
Ratio:a:b:c = 0.935 : 1 : 0.258
Unit Cell Volume:V 2037.4 ų
Comment:Space group Pcnb
X-Ray Powder Diffraction:
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)

Chemical Properties of Lavinskyite

Formula:
K(Li,Cu,Mg,Na)
 
2
Cu
 
6
(Si
 
4
O
 
11
)
 
2
(OH)
 
4
Simplified for copy/paste:K(Li,Cu,Mg,Na)2Cu6(Si4O11)2(OH)4
Idealised Formula:
K(LiCu)Cu
 
6
(Si
 
4
O
 
11
)
 
2
(OH)
 
4
Essential elements:Cu, H, K, Li, O, Si
All elements listed in formula:Cu, H, K, Li, Mg, Na, O, Si

Other Names for Lavinskyite

Synonyms:
IMA2012-028
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 Lavinskyite

Reference List:

- +
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.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.

Internet Links for Lavinskyite

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  • Raman and XRD data at RRUFF project
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  • Localities for Lavinskyite

    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.
    South Africa
     
    • 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.
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    Updated Mineral Entry: OrpheiteFrom Uwe Kolitsch, 30th Oct 2014 13:36:58