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lucabindiite

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Journal Article
Published: 26 November 2019
Mineralogical Magazine (2020) 84 (2): 267–273.
... (arsenite) sheet; (2) an NH 4 + layer that links adjacent arsenite sheets via bonds to their O atoms; and (3) an I – layer that links adjacent arsenite sheets via bonds to their As atoms. The layer sequence is I–As 2 O 3 –NH 4 –As 2 O 3 –I. Mauriziodiniite is isostructural with lucabindiite...
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Journal Article
Published: 22 April 2019
Mineralogical Magazine (2019) 83 (5): 741–748.
... 3 –K–As 2 O 3 –Cl layer sequence in the structures of lucabindiite and gajardoite. * Author for correspondence: Anthony R. Kampf, Email: akampf@nhm.org Associate Editor: Peter Leverett 02 02 2019 19 03 2019 Copyright © Mineralogical Society of Great Britain and Ireland...
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Journal Article
Published: 01 December 2016
Mineralogical Magazine (2016) 80 (7): 1265–1272.
... layer of formula KAs 3+ 4 O 6 Cl 2 consists of two neutral As 2 O 3 sheets, between which are K + cations and on the outside of which are Cl – anions. This layer is topologically identical to a slice of the lucabindiite structure and similar to a slice of the torrecillasite structure. The second layer...
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Journal Article
Published: 01 February 2013
American Mineralogist (2013) 98 (2-3): 470–477.
...Anna Garavelli; Donatella Mitolo; Daniela Pinto; Filippo Vurro Abstract Lucabindiite, ideally (K,NH 4 )As 4 O 6 (Cl,Br), is a new mineral found as a medium-temperature fumarole encrustation ( T = 170 °C) at “La Fossa” crater of Vulcano, Aeolian Islands, Italy. The mineral deposited as aggregates...
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Journal Article
Published: 01 February 2019
Mineralogical Magazine (2019) 83 (1): 89–94.
... for the synthetic analogue. The mineral belongs to a small group of phylloarsenite minerals (lucabindiite, torrecillasite and gajardoite). It contains electrically neutral As 2 O 3 layers, topologically identical to those found in lucabindiite and gajardoite between which are ammonium cations and outside of which...
FIGURES | View All (5)
Image
A comparison between the structure of <span class="search-highlight">lucabindiite</span> ( a ) and that of russoi...
Published: 01 February 2019
Fig. 4. A comparison between the structure of lucabindiite ( a ) and that of russoite ( b ).
Image
SEM-BSD image of an aggregate of <span class="search-highlight">lucabindiite</span> crystals.
Published: 01 February 2013
Figure 5 SEM-BSD image of an aggregate of lucabindiite crystals.
Image
Location of fumarole F1 at Vulcano: the sampling site of <span class="search-highlight">lucabindiite</span>.
Published: 01 February 2013
Figure 1 Location of fumarole F1 at Vulcano: the sampling site of lucabindiite.
Image
FTIR spectrum of <span class="search-highlight">lucabindiite</span> in the range 4000–800 cm –1 .
Published: 01 February 2013
Figure 6 FTIR spectrum of lucabindiite in the range 4000–800 cm –1 .
Image
Detailed FTIR spectra of <span class="search-highlight">lucabindiite</span> with absorption bands due to NH 4  + ...
Published: 01 February 2013
Figure 7 Detailed FTIR spectra of lucabindiite with absorption bands due to NH 4 + .
Image
Raman spectra of gajardoite, cuatrocapaite-(NH 4 ), I-rich ‘<span class="search-highlight">lucabindiite</span>-(N...
Published: 26 November 2019
Fig. 3. Raman spectra of gajardoite, cuatrocapaite-(NH 4 ), I-rich ‘lucabindiite-(NH 4 )’ and mauriziodiniite.
Image
As 2 O 3  sheets in russoite, <span class="search-highlight">lucabindiite</span>, gajardoite ( a ) and torrecilla...
Published: 01 February 2019
Fig. 5. As 2 O 3 sheets in russoite, lucabindiite, gajardoite ( a ) and torrecillasite ( b ); As = black spheres and O = red spheres.
Image
SEM-BSD image of <span class="search-highlight">lucabindiite</span> aggregates with well formed sulfur crystals o...
Published: 01 February 2013
Figure 2 SEM-BSD image of lucabindiite aggregates with well formed sulfur crystals on an amorphous arsenic-rich sulfurite.
Image
Arsenite sheet viewed along  c  in the structures of mauriziodiniite, lucab...
Published: 26 November 2019
Fig. 4. Arsenite sheet viewed along c in the structures of mauriziodiniite, lucabindiite, gajardoite and cuatrocapaite-(NH 4 ). The As atoms are red and the O atoms are white.
Image
Microscope-optical image of transparent-white aggregates of <span class="search-highlight">lucabindiite</span> cr...
Published: 01 February 2013
Figure 4 Microscope-optical image of transparent-white aggregates of lucabindiite crystals associated with a reddish arsenic-rich sulfurite. (Color online.)
Image
Tablets of the I-rich NH 4 -analogue of <span class="search-highlight">lucabindiite</span> exhibiting apparent tw...
Published: 22 April 2019
Fig. 4. Tablets of the I-rich NH 4 -analogue of lucabindiite exhibiting apparent twinning by rotation on [001]; field of view 0.63 mm across. Specimen no. 66985.
Image
SEM-BSD image of arsenolite crystals, As 2 O 3 , associated with rare plate...
Published: 01 February 2013
Figure 3 SEM-BSD image of arsenolite crystals, As 2 O 3 , associated with rare plates of lucabindiite on a base of amorphous arsenic-rich sulfurite.
Image
The crystal structure of <span class="search-highlight">lucabindiite</span>. In order of decreasing size :  X  (l...
Published: 01 February 2013
Figure 8 The crystal structure of lucabindiite. In order of decreasing size : X (light blue), O (dark), M (orange), and As (red) atoms. Dashed bonds indicate long As-(Cl,Br) contacts. (Color online.)
Image
The KAs 3+  4 O 6 Cl 2  layer in gajardoite and <span class="search-highlight">lucabindiite</span>, and the Ca 0....
Published: 01 December 2016
Fig. 4. The KAs 3+ 4 O 6 Cl 2 layer in gajardoite and lucabindiite, and the Ca 0.5 ·5H 2 O layer in gajardoite, viewed down c . Unit cell outlines are shown by dashed black lines.
Image
The crystal structures of gajardoite and <span class="search-highlight">lucabindiite</span>. Balls are As (red), ...
Published: 01 December 2016
Fig. 3. The crystal structures of gajardoite and lucabindiite. Balls are As (red), K (dark blue), Cl (green) and O (white); Ca(H 2 O) 6 trigonal pyramids are light blue; sticks are As–O bonds (red) and both As–Cl and K–O bonds (white); thin black lines are hydrogen bonds. The unit cell outlines