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kosnarite

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Journal Article

Crystal structure determination of kosnarite, KZr 2 (PO 4 ) 3 , from the Mario Pinto Mine, Jenipapo district, Itinga, Brazil Available to Purchase

Paula C. Piilonen, Henrik Friis, Ralph Rowe, Glenn Poirier
Published: 24 November 2020
The Canadian Mineralogist (2020) 58 (5): 637–652.
DOI: https://doi.org/10.3749/canmin.2000044
...Paula C. Piilonen; Henrik Friis; Ralph Rowe; Glenn Poirier ABSTRACT The crystal structure of a natural kosnarite, KZr 2 (PO 4 ) 3 from the Mario Pinto Mine, Jenipapo district, Brazil, has been determined for the first time. Kosnarite and its related synthetic compounds (NZP) are open-framework...
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View PDF for article title, Crystal structure determination of <span class="search-highlight">kosnarite</span>, KZr 2 (PO 4 ) 3 , from the Mario Pinto Mine, Jenipapo district, Itinga, Brazil
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Journal Article

Wycheproofite; a new hydrated sodium aluminium zirconium phosphate from Wycheproof, Victoria, Australia, and a new occurrence of kosnarite Free

William D. Birch, Allan Pring, D. J. M. Bevan, Kharisun
Published: 01 December 1994
Mineralogical Magazine (1994) 58 (4): 635–639.
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Journal Article

Kosnarite, KZr 2 (PO 4 ) 3 , a new mineral from Mount Mica and Black Mountain, Oxford County, Maine Available to Purchase

Michael E. Brownfield, Eugene E. Foord, Stephen J. Sutley, Theodore Botinelly
Published: 01 June 1993
American Mineralogist (1993) 78 (5-6): 653–656.
...Michael E. Brownfield; Eugene E. Foord; Stephen J. Sutley; Theodore Botinelly Abstract Kosnarite, ideally KZr 2 (PO 4 ) 3 , has been identified as part of a late-stage, secondary phosphate mineral assemblage from the Mount Mica pegmatite at Paris, and from the Black Mountain pegmatite, Rumford...
View PDF for article title, <span class="search-highlight">Kosnarite</span>, KZr 2 (PO 4 ) 3 , a new mineral from Mount Mica and Black Mountain, Oxford County, Maine
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The crystal structures of metavariscite, variscite and kosnarite: (a) metavariscite projected onto (001); (b) metavariscite projected onto (100); (c) variscite projected onto (001); (d) variscite projected onto (100); (Alϕ6) octahedra are 44-net-shaded; (e) kosnarite projected onto (001); (f) kosnarite projected onto (010); (Zrϕ6) octahedra are square-pattern-shaded.

The crystal structures of metavariscite, variscite and kosnarite: (a) metav... Available to Purchase

Published: 01 January 2002
Figure 35. The crystal structures of metavariscite, variscite and kosnarite: (a) metavariscite projected onto (001); (b) metavariscite projected onto (100); (c) variscite projected onto (001); (d) variscite projected onto (100); (Alϕ 6 ) octahedra are 4 4 -net-shaded; (e) kosnarite projected
Image
(A) The crystal structure of kosnarite viewed down c. Red: PO4 tetrahedra, Blue: ZrO6 octahedra, Purple: K (M′) site. (B) The local environment around the M′ site in kosnarite.

(A) The crystal structure of kosnarite viewed down c . Red: PO 4 tetrahed... Available to Purchase

Published: 24 November 2020
Fig. 3. (A) The crystal structure of kosnarite viewed down c . Red: PO 4 tetrahedra, Blue: ZrO 6 octahedra, Purple: K ( M ′) site. (B) The local environment around the M ′ site in kosnarite.
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ELECTRON MICROPROBE COMPOSITIONS OF KOSNARITE Available to Purchase

Published: 24 November 2020
TABLE 1. ELECTRON MICROPROBE COMPOSITIONS OF KOSNARITE
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EXPERIMENTAL AND CRYSTAL STRUCTURE DATA FOR KOSNARITE Available to Purchase

Published: 24 November 2020
TABLE 3. EXPERIMENTAL AND CRYSTAL STRUCTURE DATA FOR KOSNARITE
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COMPARATIVE POWDER X-RAY DIFFRACTION DATA FOR KOSNARITE Available to Purchase

Published: 24 November 2020
TABLE 2. COMPARATIVE POWDER X-RAY DIFFRACTION DATA FOR KOSNARITE
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SELECT BOND LENGTHS (Å) AND DISTORTION PARAMETERS FOR KOSNARITE AND RELATED... Available to Purchase

Published: 24 November 2020
TABLE 5. SELECT BOND LENGTHS (Å) AND DISTORTION PARAMETERS FOR KOSNARITE AND RELATED SYNTHETICS
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Yellowish-beige psueodocubic kosnarite from the Mario Pinto Mine, Jenipapo, Brazil (3 × 5 cm). Photo by M. Bainbridge.

Yellowish-beige psueodocubic kosnarite from the Mario Pinto Mine, Jenipapo,... Available to Purchase

Published: 24 November 2020
Fig. 1. Yellowish-beige psueodocubic kosnarite from the Mario Pinto Mine, Jenipapo, Brazil (3 × 5 cm). Photo by M. Bainbridge.
Image
Back-scattered (top) and cathodoluminescence (middle) images of kosnarite showing oscillatory zoning. Electron microprobe analyses from rim to core (bottom) show increasing Na, Hf, and Si in the cores of both crystals.

Back-scattered (top) and cathodoluminescence (middle) images of kosnarite s... Available to Purchase

Published: 24 November 2020
Fig. 2. Back-scattered (top) and cathodoluminescence (middle) images of kosnarite showing oscillatory zoning. Electron microprobe analyses from rim to core (bottom) show increasing Na, Hf, and Si in the cores of both crystals.
Image
Unit cell parameters, a versus c (Å), for kosnarite and other NZP. With increasing ionic radius of the M-site cation, there is a negative correlation between the lengths of the a and c axes. With increasing ionic radius of the L-site cation, there is a deviation from the main trend with increases in both the a and c parameters.

Unit cell parameters, a versus c (Å), for kosnarite and other NZP. With i... Available to Purchase

Published: 24 November 2020
Fig. 4. Unit cell parameters, a versus c (Å), for kosnarite and other NZP. With increasing ionic radius of the M -site cation, there is a negative correlation between the lengths of the a and c axes. With increasing ionic radius of the L -site cation, there is a deviation from the main
Journal Article

Subject Index Available to Purchase

Published: 08 April 2021
The Canadian Mineralogist (2020) 58 (6): 867–869.
DOI: https://doi.org/10.3749/1499-1276-58.6.867
... kosnarite, 643, phosphohedyphane, 356 aphthitalite-like structures, 168, Be calculation in helvine-group minerals, 376, carbonate-bearing phosphohedyphane, 359, chemical analysis from crystal structure, 19, 126, 140, 668, 816, decavanadate polyanion, 125, eudialyte group nomenclature, 422...
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Journal Article

The crystal structure of wycheproofite, NaAlZr(PO 4 ) 2 (OH) 2 ·H 2 O Available to Purchase

Uwe KOLITSCH
Published: 01 November 2003
European Journal of Mineralogy (2003) 15 (6): 1029–1034.
DOI: https://doi.org/10.1127/0935-1221/2003/0015-1029
... ( e.g. , kosnarite -KZr 2 (PO 4 ) 3 ; selwynite - NaK(Be,Al)Zr 2 (PO 4 ) 4 ·2H 2 O; mahlmoodite - FeZr(PO 4 ) 2 -4H 2 O; synthetic α-Zr(HPO 4 ) 2 -H 2 O, ZrKH(PO 4 ) 2 and Zr 2 (NaPO 4 ) 4 ·6H 2 O) demonstrates that a heteropolyhedral layer composed of corner-linked PO 4 tetrahedra and ZrO 6 octahedra...
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View PDF for article title, The crystal structure of wycheproofite, NaAlZr(PO 4 ) 2 (OH) 2 ·H 2 O
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Journal Article

Selwynite, NaK(Be,Al)Zr 2 (PO 4 ) 4 .2H 2 O, a new gainesite-like mineral from Wycheproof, Victoria, Australia Available to Purchase

William D. Birch, Allan Pring, Eugene E. Foord
Published: 01 February 1995
The Canadian Mineralogist (1995) 33 (1): 55–58.
... radiating crystals and as granular aggregates filling cavities up to 8 mm across in the quartz - orthoclase - albite - muscovite - schorl-bearing pegmatite. Accompanying minerals include two other Zr-bearing phosphates, kosnarite and the new species wycheproofite, as well as wardite, eosphorite, cyrilovite...
View PDF for article title, Selwynite, NaK(Be,Al)Zr 2 (PO 4 ) 4 .2H 2 O, a new gainesite-like mineral from Wycheproof, Victoria, Australia
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Journal Article

Bulk Composition of Mt. Mica Pegmatite, Maine, USA: IMPLICATIONS For the Origin of an Lct Type Pegmatite By Anatexis Available to Purchase

William Simmons, Alexander Falster, Karen Webber, Encarnación Roda-Robles, Andrew P. Boudreaux, Leah Rae Grassi, Gary Freeman
Published: 01 July 2016
The Canadian Mineralogist (2016) 54 (4): 1053–1070.
DOI: https://doi.org/10.3749/canmin.1600017
..., hydroxylherderite, cassiterite, pollucite, and kosnarite have been recovered. Approximately 50 mg of powder from sample 45b was fused to a glass bead on a platinum strip attached to the electrodes of the carbon coater in a vacuum of 1 × 10 –5 torr. The powder was flash-melted on the strip by applying...
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View PDF for article title, Bulk Composition of Mt. Mica Pegmatite, Maine, USA: IMPLICATIONS For the Origin of an Lct Type Pegmatite By Anatexis
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Journal Article

Zigrasite, MgZr(PO 4 ) 2 (H 2 O) 4 , a new phosphate mineral from the Dunton Quarry, Newry, Oxford County, Maine, USA Available to Purchase

F. C. Hawthorne, N. A. Ball, J. W. Nizamoff, W. B. Simmons
Published: 01 June 2009
Mineralogical Magazine (2009) 73 (3): 415–420.
DOI: https://doi.org/10.1180/minmag.2009.073.3.415
... for the crystallization of zigrasite resulted from corrosion of zircon. It seems likely that Zr was present as aqueous coordination complexes at the last stages of pegmatite formation, as was also probably the case in Mount Mica where the pegmatite contains both zircon and the zirconium phosphate minerals kosnarite...
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View PDF for article title, Zigrasite, MgZr(PO 4 ) 2 (H 2 O) 4 , a new phosphate mineral from the Dunton Quarry, Newry, Oxford County, Maine, USA
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The crystal structure of zigrasite, MgZr(PO 4 ) 2 (H 2 O) 4 , a heteropolyhedral framework structure Available to Purchase

F. C. Hawthorne, W. B. Simmons
Published: 01 June 2010
Mineralogical Magazine (2010) 74 (3): 567–575.
DOI: https://doi.org/10.1180/minmag.2010.074.3.567
... , plus Mg(1) octahedra: yellow; Mg(2) octahedra: purple; H atoms: small black circles; red lines: O–H bonds. Currently known Zr-phosphate minerals are malhmoodite: Fe 2+ Zr(PO 4 ) 2 (H 2 O) 4 , Milton et al . ( 1993 ); kosnarite: KZr 2 (PO 4 ) 2 , Brownfield et al . ( 1993 ); wycheproofite...
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View PDF for article title, The crystal structure of zigrasite, MgZr(PO 4 ) 2 (H 2 O) 4 , a heteropolyhedral framework structure
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Journal Article

Author Index Available to Purchase

J. Douglas Scott
Published: 08 April 2021
The Canadian Mineralogist (2020) 58 (6): 863–866.
DOI: https://doi.org/10.3749/1499-1276-58.6.863
... Pekov, I.V. with Shchipalkina, N.V., 167 Persson, P. with Allaz, J.M., 829 Pesquera, A. with Garate-Olave, I., 747 Pieczka, A. with Gadas, P., 785 Piilonen, P.C., Friis, H., Rowe, R., & Poirier, G., Crystal structure determination of kosnarite, KZr 2 (PO 4 ) 3 , from the Mario Pinto...
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Journal Article

Calcium (Ti,Zr) hexaorthophosphate bioceramics for electrically stimulated biomedical implant devices: A position paper Available to Purchase

Robert B. Heimann
Published: 01 November 2017
American Mineralogist (2017) 102 (11): 2170–2179.
DOI: https://doi.org/10.2138/am-2017-6165
... is NaZr 2 (PO 4 ) 3 (NZP) ( Alamo 1993 ). The rare natural mineral kosnarite, KZr 2 (PO 4 ) 3 ( Šljukić et al. 1969 ; Brownfield et al. 1993 ), found as a late-stage hydrothermal mineral in some pegmatites, also belongs to this structural group. Related naturally occurring alkali zirconium beryllium...
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View PDF for article title, Calcium (Ti,Zr) hexaorthophosphate bioceramics for electrically stimulated biomedical implant devices: A position paper
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