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beryllonite

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Journal Article

The crystal structure of esperite, with a revised chemical formula, PbCa 2 (ZnSiO 4 ) 3 , isostructural with beryllonite

Kimberly T. Tait, Hexiong Yang, Robert T. Downs, Chen Li, William W. Pinch
Published: 01 May 2010
American Mineralogist (2010) 95 (5-6): 699–705.
DOI: https://doi.org/10.2138/am.2010.3415
... 2 1 / n (subcell), and the chemical formula PbCa 3 (ZnSiO 4 ) 4 . They attributed “superlattice” reflections to the ordered distributions of Pb and Ca cations over four beryllonite-type subcells for esperite with the Ca:Pb ratio greater than 2:1. We examined two esperite fragments from the type...
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View PDF for article title, The crystal structure of esperite, with a revised chemical formula, PbCa 2 (ZnSiO 4 ) 3 , isostructural with <span class="search-highlight">beryllonite</span>
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Journal Article

PARAGENESIS AND ORIGIN OF SECONDARY BERYLLOPHOSPHATES: BERYLLONITE AND HYDROXYLHERDERITE FROM THE BEP GRANITIC PEGMATITE, SOUTHEASTERN MANITOBA, CANADA

Iva Černá, Petr Černý, Julie Beryl Selway, Ron Chapman
Published: 01 October 2002
The Canadian Mineralogist (2002) 40 (5): 1339–1345.
DOI: https://doi.org/10.2113/gscanmin.40.5.1339
.... Paragenetic relationships of these minerals and conditions of their origin are poorly understood. Beryllonite, hydroxylherderite and carbonate-fluorapatite form thin coatings in fissures of beryl in the Archean petalite-subtype BEP pegmatite in southeastern Manitoba. The composition of beryllonite corresponds...
FIGURES
View PDF for article title, PARAGENESIS AND ORIGIN OF SECONDARY BERYLLOPHOSPHATES: <span class="search-highlight">BERYLLONITE</span> AND HYDROXYLHERDERITE FROM THE BEP GRANITIC PEGMATITE, SOUTHEASTERN MANITOBA, CANADA
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Journal Article

A corrected unit cell for beryllonite

John P. Wehrenberg
Published: 01 April 1954
American Mineralogist (1954) 39 (3-4): 397–398.
...John P. Wehrenberg Abstract The space group for beryllonite, as earlier proposed by Gossner and Besslein (1), is incorrect due to the fact that their technique (the Laue method) was limited to the recording of only the lower level reflections. By use of the Weissenberg and the Buerger precession...
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Journal Article

Beryllonite and other phosphetes from Newry, Maine

Charles Palache, Earl V. Shannon
Published: 01 July 1928
American Mineralogist (1928) 13 (7): 392–396.
View PDF for article title, <span class="search-highlight">Beryllonite</span> and other phosphetes from Newry, Maine
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Image
Beryllonite from the BEP pegmatite in back-scattered-electron images. (A) Subrectangular grains of beryllonite (black, in part plucked; brn) embedded in and replaced by hydroxylherderite (dark grey, hh); both minerals are invaded by carbonate-fluorapatite (white). The replacement of beryllonite proceeds in part parallel to its excellent cleavage (bottom). The scale bar is 100 μm long. (B) Irregular, corroded grains of beryllonite (black, brn) are surrounded by hydroxylherderite (grey, hh). Both minerals are replaced by carbonate-fluorapatite (white). The scale bar is 100 μm long.

Beryllonite from the BEP pegmatite in back-scattered-electron images. (A) S...

Published: 01 October 2002
F ig . 2. Beryllonite from the BEP pegmatite in back-scattered-electron images. (A) Subrectangular grains of beryllonite (black, in part plucked; brn ) embedded in and replaced by hydroxylherderite (dark grey, hh ); both minerals are invaded by carbonate-fluorapatite (white). The replacement
Image
The crystal structures of beryllonite, hurlbutite and babefphite: (a) beryllonite projected onto (010); (b) beryllonite projected onto (001); (c) hurlbutite projected onto (001); (d) hurlbutite projected down the c-axis; (e) babefphite projected onto (001); tetrahedra occur at the vertices of a 63 net; (f) babefphite projected down the a-axis; tetrahedra occur at the vertices of a 63 net. Interstitial cations are shown as circles.

The crystal structures of beryllonite, hurlbutite and babefphite: (a) beryl...

Published: 01 January 2002
Figure 14. The crystal structures of beryllonite, hurlbutite and babefphite: (a) beryllonite projected onto (010); (b) beryllonite projected onto (001); (c) hurlbutite projected onto (001); (d) hurlbutite projected down the c -axis; (e) babefphite projected onto (001); tetrahedra occur
Journal Article

RIETVELD REFINEMENT OF SYNTHETIC MONOCLINIC NaBSiO 4

Heribert A. Graetsch, Werner Schreyer
Published: 01 April 2005
The Canadian Mineralogist (2005) 43 (2): 759–767.
DOI: https://doi.org/10.2113/gscanmin.43.2.759
...Heribert A. Graetsch; Werner Schreyer Abstract A full-pattern X-ray powder-diffraction refinement reveals that NaBSiO 4 prepared at 6 GPa and 700°C crystallizes in space group P 2 1 / n with the structure of beryllonite, NaBePO 4 . With a 7.9845(5), b 7.6969(5), c 13.9432(9) Å, β 90.081(6)° and V...
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View PDF for article title, RIETVELD REFINEMENT OF SYNTHETIC MONOCLINIC NaBSiO 4
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Journal Article

THE CRYSTAL CHEMISTRY OF MALINKOITE, NaBSiO 4 , AND LISITSYNITE, KBSi 2 O 6 , FROM THE KHIBINA–LOVOZERO COMPLEX, KOLA PENINSULA, RUSSIA

Elena V. Sokolova, Frank C. Hawthorne, Alexander P. Khomyakov
Published: 01 February 2001
The Canadian Mineralogist (2001) 39 (1): 159–169.
DOI: https://doi.org/10.2113/gscanmin.39.1.159
... coordinence [9] dans chaque maille élémentaire de malinkoïte. La topologie de la trame est semblable à celle de la beryllonite, NaBePO 4 . Dans la structure de la lisitsynite, KBSi 2 O 6 , des anneaux à quatre membres contiennent deux tétraèdres (SiO 4 ) et deux tétraèdres (BO 4 ), qui sont liés en...
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View PDF for article title, THE CRYSTAL CHEMISTRY OF MALINKOITE, NaBSiO 4 , AND LISITSYNITE, KBSi 2 O 6 , FROM THE KHIBINA–LOVOZERO COMPLEX, KOLA PENINSULA, RUSSIA
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Journal Article

Dielectric constants of diaspore and B-, Be-, and P-containing minerals, the polarizabilities of B 2 O 3 and P 2 O 5 , and the oxide additivity rule

Robert D. Shannon, Munirpallam A. Subramanian, Anthony N. Mariano, Thurman E. Gier, George R. Rossman
Published: 01 February 1992
American Mineralogist (1992) 77 (1-2): 101–106.
...Robert D. Shannon; Munirpallam A. Subramanian; Anthony N. Mariano; Thurman E. Gier; George R. Rossman Abstract The 1-MHz dielectric constants and loss factors of the minerals diaspore, euclase, hamberyite, sinhalite, danburite, datolite, beryllonite, and montebrasite and of the synthetic oxides La...
View PDF for article title, Dielectric constants of diaspore and B-, Be-, and P-containing minerals, the polarizabilities of B 2 O 3 and P 2 O 5 , and the oxide additivity rule
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Raman spectrum of esperite, along with that of beryllonite for comparison.

Raman spectrum of esperite, along with that of beryllonite for comparison.

Published: 01 May 2010
F igure 4. Raman spectrum of esperite, along with that of beryllonite for comparison.
Image
The crystal structure of beryllonite; (a) projected onto (001); circles are Na atoms; (b) projected onto (010); tetrahedra are arranged at the vertices of a 63 net.

The crystal structure of beryllonite; (a) projected onto (001); circles are...

Published: 01 January 2002
Figure 37. The crystal structure of beryllonite; (a) projected onto (001); circles are Na atoms; (b) projected onto (010); tetrahedra are arranged at the vertices of a 6 3 net.
Image
The crystal structure of beryllonite projected onto the (100) plane; (PO4) tetrahedra are grey, (BeO4) tetrahedra are white, and Na atoms are shown as spheres.

The crystal structure of beryllonite projected onto the (100) plane; (PO 4 ...

Published: 01 February 2001
F ig . 4. The crystal structure of beryllonite projected onto the (100) plane; (PO 4 ) tetrahedra are grey, (BeO 4 ) tetrahedra are white, and Na atoms are shown as spheres.
Image
Hydroxylherderite from the BEP pegmatite in back-scattered-electron images. (A) A lath-shaped crystal of hydroxylherderite (grey, hh) with an inclusion of severely corroded beryllonite (black, brn), rimmed, veined and replaced by carbonate-fluorapatite (white). The scale bar is 50 μm long. (B) A relict grain of beryllonite (black, brn) with hydroxylherderite (grey, hh) replaced by carbonate-fluorapatite (white) in the top part; colloform, somewhat darker hydroxylherderite seems to line a cavity, filled later by carbonate-fluorapatite (lower central part). The vertical side of the image is 200 μm long.

Hydroxylherderite from the BEP pegmatite in back-scattered-electron images....

Published: 01 October 2002
F ig . 3. Hydroxylherderite from the BEP pegmatite in back-scattered-electron images. (A) A lath-shaped crystal of hydroxylherderite (grey, hh ) with an inclusion of severely corroded beryllonite (black, brn ), rimmed, veined and replaced by carbonate-fluorapatite (white). The scale bar is 50
Image
The arrangement of six-membered T-rings of two types: R1 (UDUDUD) and R2 (UUDUDD) in the crystal structures of (a) malinkoite and (b) beryllonite; the symbols R2 and 2R correspond to clockwise and anticlockwise orientations of the UUDUDD rings, respectively.

The arrangement of six-membered T -rings of two types: R1 ( UDUDUD ) and R...

Published: 01 February 2001
F ig . 5. The arrangement of six-membered T -rings of two types: R1 ( UDUDUD ) and R2 ( UUDUDD ) in the crystal structures of (a) malinkoite and (b) beryllonite; the symbols R2 and 2R correspond to clockwise and anticlockwise orientations of the UUDUDD rings, respectively.
Journal Article

Brandãoite, [BeAl 2 (PO 4 ) 2 (OH) 2 (H 2 O) 4 ](H 2 O), a new Be–Al phosphate mineral from the João Firmino mine, Pomarolli farm region, Divino das Laranjeiras County, Minas Gerais State, Brazil: description and crystal structure

Luiz A. D. Menezes Filho, Mário L. S. C. Chaves, Mark A. Cooper, Neil A. Ball, Yassir A. Abdu, Ryan Sharpe, Maxwell C. Day, Frank C. Hawthorne
Published: 01 April 2019
Mineralogical Magazine (2019) 83 (2): 261–267.
DOI: https://doi.org/10.1180/mgm.2018.121
... das Laranjeiras County, Minas Gerais State, Brazil, where it occurs in an albite pocket with other secondary phosphates, including beryllonite, atencioite and zanazziite, in a granitic pegmatite. It occurs as colourless acicular crystals <10 µm wide and <100 µm long that form compact radiating...
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View PDF for article title, Brandãoite, [BeAl 2 (PO 4 ) 2 (OH) 2 (H 2 O) 4 ](H 2 O), a new Be–Al phosphate mineral from the João Firmino mine, Pomarolli farm region, Divino das Laranjeiras County, Minas Gerais State, Brazil: description and crystal structure
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Image
Lustrous hexagonal growth hillocks on the basal parting plane of beryl, in part etched dull (mottled grey) and in part coated by a layer of beryllonite + hydroxylherderite + carbonate-fluorapatite (black); the shorter edge of the photograph is 4 mm long.

Lustrous hexagonal growth hillocks on the basal parting plane of beryl, in ...

Published: 01 October 2002
F ig . 1. Lustrous hexagonal growth hillocks on the basal parting plane of beryl, in part etched dull (mottled grey) and in part coated by a layer of beryllonite + hydroxylherderite + carbonate-fluorapatite (black); the shorter edge of the photograph is 4 mm long.
Journal Article

Enumeration of 4-connected 3-dimensional nets and classification of framework silicates; I, Perpendicular linkage from simple hexagonal net

J. V. Smith
Published: 01 August 1977
American Mineralogist (1977) 62 (7-8): 703–709.
... double sheets only. Of the many theoretical frameworks containing more than one sequence, one with SCSCSC rings separated by SCSCCC rings occurs in beryllonite and trimerite. Copyright © 1977 by the Mineralogical Society of America 1977 ...
View PDF for article title, Enumeration of 4-connected 3-dimensional nets and classification of framework silicates; I, Perpendicular linkage from simple hexagonal net
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Journal Article

A study of “calcium-larsenite” renamed esperite 1

Paul B. Moore, Paul H. Ribbe
Published: 01 September 1965
American Mineralogist (1965) 50 (9): 1170–1178.
...°. The space group of the basic unit cell is P2 1 / n ; but superlattice reflections, presumed due to Ca/Pb ordering, effectively double the a - and c -axes, making the superstructure B -face centered. Marked structural similarities to beryllonite and trimerite are observed and an ordering scheme is proposed...
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Unit-cell volume of ATT′O4 compounds with the monoclinic structure of beryllonite versus (a) the average radius of the cations, and (b) the average radius of the tetrahedrally coordinated cations. The lattice parameters were taken from Klaska et al.(1979), Henderson &amp; Taylor (1984), Sandomirskii et al.(1986), Barbier &amp; Fleet (1987), and the effective ionic radii, from Shannon (1976).

Unit-cell volume of ATT ′O 4 compounds with the monoclinic structure of b...

Published: 01 April 2005
F ig . 5. Unit-cell volume of ATT ′O 4 compounds with the monoclinic structure of beryllonite versus (a) the average radius of the cations, and (b) the average radius of the tetrahedrally coordinated cations. The lattice parameters were taken from Klaska et al. (1979) , Henderson
Image
Polyhedral model of the first coordination sphere of the sodium atoms. Left side: in beryllonite-type NaBSiO4, right side: in malinkoite. The nine-fold coordination in the tridymite-like UDUDUD rings is shown in various shades of green, and the octahedra within the UUDDUD rings are brown and yellow. The structural data for malinkoite were taken from Sokolova et al.(2001). The unit cells are outlined by dashed lines.

Polyhedral model of the first coordination sphere of the sodium atoms. Left...

Published: 01 April 2005
F ig . 4. Polyhedral model of the first coordination sphere of the sodium atoms. Left side: in beryllonite-type NaBSiO 4 , right side: in malinkoite. The nine-fold coordination in the tridymite-like UDUDUD rings is shown in various shades of green, and the octahedra within the UUDDUD rings