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Bikita

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Journal Article
Published: 01 August 2003
The Canadian Mineralogist (2003) 41 (4): 1003–1011.
...Petr Cerny; Alan J. Anderson; Paul B. Tomascak; Ron Chapman Abstract The geochemical evolution of beryl in the Bikita rare-element granitic pegmatite, in Zimbabwe, was examined by analyzing this mineral for alkali elements in 23 samples from eight zones in this giant deposit. From the outer...
FIGURES
Journal Article
Published: 01 June 1962
American Mineralogist (1962) 47 (5-6): 557–561.
...Cornelius S. Hurlbut, Jr. Abstract Eucryptite is an important lithium bearing mineral at Bikita, Southern Rhodesia. Imbedded in a matrix of granular eucryptite are single crystals. From morphological measurements, c = 0.6681. Optically uniaxial (+), ω = 1.572, ε = 1.586. Unit cell dimensions...
Journal Article
Published: 01 December 2001
The Canadian Mineralogist (2001) 39 (6): 1513–1527.
... inclusions in spodumene from Bikita and Kamativi, Zimbabwe, and Bernic Lake (Tanco), Manitoba, indicate that the high-birefringence phase is zabuyelite (Li 2 CO 3 ). Laser Raman spectra were also obtained from fluid inclusions in a wafer of spodumene from the Tanco pegmatite reported to contain the type...
FIGURES | View All (11)
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ZONING IN THE <b>BIKITA</b> SECTOR OF THE <b>BIKITA</b> GRANITIC PEGMATITE* AND DISTRIBUT...
Published: 01 August 2003
TABLE 1. ZONING IN THE BIKITA SECTOR OF THE BIKITA GRANITIC PEGMATITE* AND DISTRIBUTION OF SAMPLES
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CHEMICAL COMPOSITION AND PHYSICAL ATTRIBUTES OF BERYL, <b>BIKITA</b> GRANITIC PEGM...
Published: 01 August 2003
TABLE 2. CHEMICAL COMPOSITION AND PHYSICAL ATTRIBUTES OF BERYL, BIKITA GRANITIC PEGMATITE
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CHEMICAL COMPOSITION AND PHYSICAL ATTRIBUTES OF BERYL, <b>BIKITA</b> GRANITIC PEGM...
Published: 01 August 2003
TABLE 2. CHEMICAL COMPOSITION AND PHYSICAL ATTRIBUTES OF BERYL, BIKITA GRANITIC PEGMATITE
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CHEMICAL COMPOSITION AND PHYSICAL ATTRIBUTES OF BERYL, <b>BIKITA</b> GRANITIC PEGM...
Published: 01 August 2003
TABLE 2. CHEMICAL COMPOSITION AND PHYSICAL ATTRIBUTES OF BERYL, BIKITA GRANITIC PEGMATITE
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CHEMICAL COMPOSITION AND PHYSICAL ATTRIBUTES OF BERYL, <b>BIKITA</b> GRANITIC PEGM...
Published: 01 August 2003
TABLE 2. CHEMICAL COMPOSITION AND PHYSICAL ATTRIBUTES OF BERYL, BIKITA GRANITIC PEGMATITE
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CHEMICAL COMPOSITION OF REPRESENTATIVE SAMPLES OF BERYL, <b>BIKITA</b> GRANITIC PE...
Published: 01 August 2003
TABLE 3. CHEMICAL COMPOSITION OF REPRESENTATIVE SAMPLES OF BERYL, BIKITA GRANITIC PEGMATITE
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UNIT-CELL DIMENSIONS OF BERYL, <b>BIKITA</b> PEGMATITE
Published: 01 August 2003
TABLE 4. UNIT-CELL DIMENSIONS OF BERYL, BIKITA PEGMATITE
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Vertical variations in alkali contents of the primary <b>Bikita</b> beryl; zone de...
Published: 01 August 2003
F ig . 3. Vertical variations in alkali contents of the primary Bikita beryl; zone designations and vertical sequence as in Table 1 . Note the general but irregular increase in the alkali contents toward the central parts of the pegmatite.
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Infinite H 2 O chain in the structural channels parallel to [010] in <b>bikita</b>...
Published: 01 October 2002
F igure 1. Infinite H 2 O chain in the structural channels parallel to [010] in bikitaite. The medium sized spheres are Li cations bonded to the O atoms (large spheres) of the H 2 O molecules. Only one of the hydrogen atoms is bonded to a neighboring H 2 O molecule.
Journal Article
Published: 03 February 2015
The Canadian Mineralogist (2014) 52 (5): 809–836.
..., Namivo, Bikita, Czech Republic, and Greer Lake pegmatites. 2014 Mineralogical Association of Canada beryl granitic pegmatites mineral chemistry fractionation Velasco District Pampeana Pegmatite Province Argentina The chemical composition of major and accessory minerals can...
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Journal Article
Published: 01 February 1974
American Mineralogist (1974) 59 (1-2): 71–78.
... to an unweighted R -value of 0.037 for 824 observed reflections on a crystal from Bikita, Rhodesia. The cell parameters are: a = 8.613(4), b = 4.962(2), c = 7.600(4) Å, β = 114.45(1)°, space group P 2 1 , Z = 2. There are three basic tetrahedral sites in the asymmetric unit of bikitaite, designated T (1), T (2...
Journal Article
Published: 01 December 1957
American Mineralogist (1957) 42 (11-12): 792–797.
...°. Analysis gives: SiO 2 55.79, Al 2 O 3 26.68, Fe 2 O 3 0.07, Li 2 O 6.51, Na 2 O 0.10, K 2 O 0.17, MgO 0.33, H a O 9.82, Total 99.47. The strongest x -ray powder lines are: 4.19 Å, (10), 3.48 (10), 3.40 (10), 7.84 (8). The name bikitaite , is from the locality, Bikita. * Contribution No. 380...
Journal Article
Journal: GSA Bulletin
Published: 01 May 1945
GSA Bulletin (1945) 56 (5): 479–504.
... Grande do Norte and in Southern Rhodesia at Bikita. X-ray-diffraction studies and optical examination have shown that the fundamental aluminum tantalate is the same in the materials from Western Australia, Brazil, and Southern Rhodesia. In addition Laue photographs have been obtained and correlated...
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The Li  versus  Na (A, B) and Na/Li  versus  Cs (C, D) diagrams for the pri...
Published: 01 August 2003
F ig . 2. The Li versus Na (A, B) and Na/Li versus Cs (C, D) diagrams for the primary (A, C) and late (B, D) beryl from the Bikita pegmatite. See Figure 1 for explanation of the graphic symbols. Note the separation of trends in A and B, and the parallel alignment of the D trend
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The Na  versus  Cs (A, B) and Li  versus  Cs (C, D) diagrams for the primar...
Published: 01 August 2003
F ig . 1. The Na versus Cs (A, B) and Li versus Cs (C, D) diagrams for the primary (A, C) and late (B, D) beryl from the Bikita pegmatite. Primary beryl is distinguished by its parent zones: o upper muscovite band, ▵ mixed spodumene zone, □ “all-mix” zone, ▾ massive lepidolite, ▴ lepidolite
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29 Si MAS NMR spectra of three different samples consisting of pure α-eucry...
Published: 01 March 2001
F igure 1. 29 Si MAS NMR spectra of three different samples consisting of pure α-eucryptite in the synthetic sample ( a ), of α-eucryptite and quartz in the sample from Vishnjakovskoje, Siberia ( b ), and of α-eucryptite, spodumene and quartz in the sample from Bikita, Zimbabwe ( c ). The α
Journal Article
Journal: Geology
Published: 01 August 2016
Geology (2016) 44 (8): 655–658.
..., Black Hills, and Elba; William Birch, Friedrich Koller, and Josef Klomínský for samples from Greenbushes, Bikita, and Londonderry; Mona-Lisa Sirbescu for spodumene 40–5 and amblygonite 131–13; Ralf Dohmen and Bernd Wunder for information; and Paul Tomascak for comments. We acknowledge journal reviews...