Lavinskyite R120057

Name: Lavinskyite
RRUFF ID: R120057
Ideal Chemistry: K(LiCu)Cu6(Si4O11)2(OH)4
Locality: Wessels mine, Kalahari Manganese Fields, Northern Cape Province, South Africa
Source: William W. Pinch, Robert Lavinsky, and Marcus Origlieri [view label]
Owner: RRUFF
Description: Light blue plates, associated with R120019 wesselsite, and R120077 scottyite. This is the type sample.
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Plancheite (2) ]
RRUFF ID: R120057.2
Sample Description: Microprobe Fragment
Measured Chemistry: (K0.99Ba0.01)Σ=1.00(Li1.04Cu0.50Mg0.43Na0.10Mn0.01)Σ=2.08Cu6.00Si7.99O22(OH)4.00 ; (Lavinskyite is the darkest material in the image)
Microprobe Data File: [ Download Excel File ]
Sample Description: Unoriented Raman on the primary sample

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RRUFF ID: R120057
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
RRUFF ID: R120057.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 19.046(3)Å    b: 20.377(2)Å    c: 5.2497(6)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 2037.4(7)Å3    Crystal System: orthorhombic
  File Type Information Close
Calculated diffraction file.

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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Lavinskyite

American Mineralogist Crystal Structure Database Record: [view record]

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]

Yang H, Downs R T, Evans S H, Pinch W W (2014) Lavinskyite, K(LiCu)Cu6(Si4O11)2(OH)4, isotypic with plancheite, a new mineral from the Wessels mine, Kalahari Manganese Fields, South Africa, American Mineralogist, 99, 525-530