Effenbergerite R120088

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Record 87 of 552  

Name: Effenbergerite
RRUFF ID: R120088
Ideal Chemistry: BaCuSi4O10
Locality: Eastern orebody, Wessels mine, Kalahari manganese field, Cape Province, South Africa
Source: William W Pinch [view label]
Owner: RRUFF
Description: Blue massive. A piece from the original find.
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Gillespite (5) ]
Quick search: [ All Effenbergerite samples (2) ]
Sample Description: Unoriented single crystal fragment, R120088.9; 780 nm spectrum is overwhelmed by fluorescence

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RRUFF ID: R120088
Sample Description: Unoriented single crystal fragment, R120088.9; 780 nm spectrum is overwhelmed by fluorescence
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
RRUFF ID: R120088.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 7.427(1)Å    b: 7.427(1)Å    c: 16.104(3)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 888.4(1)Å3    Crystal System: tetragonal
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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 Effenbergerite

American Mineralogist Crystal Structure Database Record: [view record]

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

Janczak J, Kubiak R (1992) Refinement of the structure of barium copper silicate BaCu[Si4O10] at 300 K, Acta Crystallographica, C48, 1299-1301

Lin H C, Liao F L, Wang S L (1992) Structure of BaCuSi4O10, Acta Crystallographica, C48, 1297-1299

Chakoumakos B C, Fernandez-Baca J A, Boatner L A (1993) Refinement of the structures of the layer silicates MCuSi4O10 (M=Ca, Sr, Ba) by Rietveld analysis of neutron powder diffraction data, Journal of Solid State Chemistry, 103, 105-113

Giester G, Rieck B (1994) Effenbergerite, BaCu[Si4O10], a new mineral from the Kalahari manganese field, South Africa: description and crystal structure, Mineralogical Magazine, 58, 663-670   [view file]

Jambor J L, Pertsev N N, Roberts A C (1995) New mineral names, American Mineralogist, 80, 845-850   [view file]

Knight K S, Henderson C M B (2007) Structural basis for the anomalous low-temperature thermal expansion behaviour of the gillespite-structured phase Ba0.5Sr0.5CuSi4O10, European Journal of Mineralogy, 19, 189-200

Knight K S, Henderson C M B, Clark S M (2010) Structural variations in the wesselsite-effenbergerite (Sr1-xBaxCuSi4O10) solid solution, European Journal of Mineralogy, 22, 411-423