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peterandresenite

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Journal Article
Published: 01 August 2014
European Journal of Mineralogy (2014) 26 (4): 567–576.
...Henrik Friis; Alf Olav Larsen; Anthony R. Kampf; R. James Evans; Rune S.Selbekk; Aranda Sánchez; Jan Kihle Abstract Peterandresenite (IMA2012-084), ideally Mn 4 Nb 6 O 19 ·14H 2 O, is the first naturally occurring hexaniobate. It was found at the AS Granit larvikite quarry in Tvedalen, Larvik...
FIGURES | View All (6)
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Crystal drawing of <b>peterandresenite</b> (clinographic projection in standard or...
Published: 01 August 2014
Fig. 1 Crystal drawing of peterandresenite (clinographic projection in standard orientation).
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Scanning-electron-microscope image of <b>peterandresenite</b> on chiavennite. Note...
Published: 01 August 2014
Fig. 2 Scanning-electron-microscope image of peterandresenite on chiavennite. Note the fractures in peterandresenite caused by dehydration in the vacuum.
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Thermal gravimetric analyses (TGA) of <b>peterandresenite</b> from room temperatur...
Published: 01 August 2014
Fig. 3 Thermal gravimetric analyses (TGA) of peterandresenite from room temperature to 900°C.
Image
Photomicrograph of a patch (6 mm across) containing yellow hansesmarkite an...
Published: 01 June 2017
Fig. 2. Photomicrograph of a patch (6 mm across) containing yellow hansesmarkite and orange peterandresenite along the edge and outside the patch. The white matrix is gonnardite.
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SEM images of (A) a lueshite twin and a pyrochlore penetration twin on natr...
Published: 01 November 2018
Fig. 2. SEM images of (A) a lueshite twin and a pyrochlore penetration twin on natrolite, (B) small octahedra of pyrochlore and needles of fersmite on hydroxylgugiaite, (C) a fersmite group mineral on chiavennite, and (D) peterandresenite on chiavennite. (A) and (B) are from the Ilímaussaq
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Comparison of melcherite with other naturally-occurring hexaniobates.      ...
Published: 01 February 2018
Table 8. Comparison of melcherite with other naturally-occurring hexaniobates. Name melcherite peterandresenite 1 hansesmarkite 2 Formula Ba 2 Na 2 MgNb 6 O 19 ·6H 2 O Mn 4 Nb 6 O 19 ·14H 2 O Ca 2 Mn 2 Nb 6 O 19 ·20H 2 O Space group R $\bar 3$ C 2/ m P $\bar
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Comparison of melcherite with other naturally-occurring hexaniobates.      ...
Published: 01 February 2018
Table 8. Comparison of melcherite with other naturally-occurring hexaniobates. Name melcherite peterandresenite 1 hansesmarkite 2 Formula Ba 2 Na 2 MgNb 6 O 19 ·6H 2 O Mn 4 Nb 6 O 19 ·14H 2 O Ca 2 Mn 2 Nb 6 O 19 ·20H 2 O Space group R $\bar 3$ C 2/ m P $\bar
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Comparison of hansesmarkite with other natural hexaniobates.             Ha...
Published: 01 June 2017
Table 9. Comparison of hansesmarkite with other natural hexaniobates. Hansesmarkite Peterandresenite 1 Melcherite 2 Formula Ca 2 Mn 2 Nb 6 O 19 ·20H 2 O Mn 4 Nb 6 O 19 ·14H 2 O (Ba,K) 2 (Na,Ca) 2 Mg Nb 6 O 19 ·6H 2 O Space group P C 2/ m R a (Å
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Comparison of hansesmarkite with other natural hexaniobates.             Ha...
Published: 01 June 2017
Table 9. Comparison of hansesmarkite with other natural hexaniobates. Hansesmarkite Peterandresenite 1 Melcherite 2 Formula Ca 2 Mn 2 Nb 6 O 19 ·20H 2 O Mn 4 Nb 6 O 19 ·14H 2 O (Ba,K) 2 (Na,Ca) 2 Mg Nb 6 O 19 ·6H 2 O Space group P C 2/ m R a (Å
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Comparison of hansesmarkite with other natural hexaniobates.             Ha...
Published: 01 June 2017
Table 9. Comparison of hansesmarkite with other natural hexaniobates. Hansesmarkite Peterandresenite 1 Melcherite 2 Formula Ca 2 Mn 2 Nb 6 O 19 ·20H 2 O Mn 4 Nb 6 O 19 ·14H 2 O (Ba,K) 2 (Na,Ca) 2 Mg Nb 6 O 19 ·6H 2 O Space group P C 2/ m R a (Å
Journal Article
Published: 01 November 2018
The Canadian Mineralogist (2018) 56 (6): 905–912.
...Fig. 2. SEM images of (A) a lueshite twin and a pyrochlore penetration twin on natrolite, (B) small octahedra of pyrochlore and needles of fersmite on hydroxylgugiaite, (C) a fersmite group mineral on chiavennite, and (D) peterandresenite on chiavennite. (A) and (B) are from the Ilímaussaq...
FIGURES
Journal Article
Published: 01 June 2016
American Mineralogist (2016) 101 (6): 1489–1496.
..., Russia. Yu.U . H. Friis, A.O. Larsen, A.R. Kampf, R.J. Evans, R.S. Selbekk, A.A. Sánchez, and J. Kihle (2014) Peterandresenite, Mn 4 Nb 6 O 19 ·14H 2 O, a new mineral containing the Lindqvist ion from a syenite pegmatite of the Larvik Plutonic Complex, southern Norway. European Journal...
Journal Article
Published: 01 June 2017
Mineralogical Magazine (2017) 81 (3): 543–554.
...Fig. 2. Photomicrograph of a patch (6 mm across) containing yellow hansesmarkite and orange peterandresenite along the edge and outside the patch. The white matrix is gonnardite. ...
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Journal Article
Published: 01 February 2018
Mineralogical Magazine (2018) 82 (1): 111–120.
...Table 8. Comparison of melcherite with other naturally-occurring hexaniobates. Name melcherite peterandresenite 1 hansesmarkite 2 Formula Ba 2 Na 2 MgNb 6 O 19 ·6H 2 O Mn 4 Nb 6 O 19 ·14H 2 O Ca 2 Mn 2 Nb 6 O 19 ·20H 2 O Space group R $\bar 3$ C 2/ m P $\bar...
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Journal Article
Published: 01 March 2016
European Journal of Mineralogy (2016) 28 (1): 205–214.
... the mineral to the recently described natural polyoxometallates such as ophirite ( Kampf et al. , 2014a ), peterandresenite ( Friis et al. , 2014 ) and kokinosite ( Kampf et al. , 2014b ). The interest in murataite-(Y) was renewed in 1982, when its synthetic analogue was identified in Synroc-type...
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Journal Article
Published: 01 August 2013
Mineralogical Magazine (2013) 77 (6): 2695–2709.
... WILL BE RELEASED BY THE COMMISSION IMA No. 2012-084 Peterandresenite Mn 4 Nb 6 O 19 ·14H 2 O A/S Granit quarry, Tvedalen, Larvik, Vestfold, Norway (59°2.353′N 9°51.413′E) H. Friis*, A.O. Larsen, A.R. Kampf, R.J. Evans, R.S. Selbekk and J. Kihle *E-mail: geofriis@yahoo.com New...
Journal Article
Published: 23 October 2018
The Canadian Mineralogist (2018) 56 (4): 365–373.
...., Sánchez, A.A., & Kihle, J. (2014) Peterandresenite, Mn 4 Nb 6 O 19 ·14H 2 O, a new mineral containing the Linqvist ion from a syenite pegmatite of the Larvik Plutonic Complex, southern Norway . European Journal of Mineralogy...
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Journal Article
Published: 01 June 2015
Mineralogical Magazine (2015) 79 (3): 529–535.
...@usp.br Related to peterandresenite Trigonal: R 3İ; structure determined a = 9.0117(6), c = 23.399(2) Å 7.805(100), 7.410(14), 3.904(22), 3.852(21), 3.250(33), 2.952(13), 2.165(30), 2.160(12) Type material is deposited in the collections of the Museu de Geociências, Instituto de...
Journal Article
Published: 01 July 2018
European Journal of Mineralogy (2018) 30 (4): 827–834.
... contain the decavanadate cluster anion [V 10 O 28 ] 6– , an isopolyanion ( cf . Kampf et al. , 2017a ). Another isopolyanion, the hexaniobate Lindqvist anion, [Nb 6 O 19 ] 6– , is found in the minerals peterandresenite, melcherite and hansesmarkite ( cf . Friis et al. , 2017 ). Heteropolyanions...
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