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![Powder IR absorption spectra of (1) cuatrocapaite-(NH4) and (2) cuatrocapaite-(K).]()
![The structure of cuatrocapaite-(NH4).]()
![The structures of mauriziodiniite, gajardoite and cuatrocapaite-(NH4).]()
![Cuatrocapaite-(K) tablets; field of view 0.4 mm across. Specimen no. 66987.]()
![Raman spectra of gajardoite, cuatrocapaite-(NH4), I-rich ‘lucabindiite-(NH4)’ and mauriziodiniite.]()
![Mauriziodiniite tablets on cuatrocapaite-(NH4); field of view = 0.84 mm across, holotype specimen #67365.]()
![Cuatrocapaite-(NH4) satin-spar-like vein filling; field of view 1.7 mm across. Specimen no. 66984.]()
![Cuatrocapaite-(NH4) tablets, some in vermiform stacks, with acicular torrecillasite; field of view 0.6 mm across. Specimen no. 66986.]()
![Arsenite sheet viewed along c in the structures of mauriziodiniite, lucabindiite, gajardoite and cuatrocapaite-(NH4). The As atoms are red and the O atoms are white.]()
![Selected layer components in the structure of cuatrocapaite-(NH4) viewed down c: (a) the As2O3 (arsenite) layer, (b) the Na–Mg–H2O layer, (c) the Na–H2O portion of the Na–Mg–H2O layer, (d) the Mg–H2O portion of the Na–Mg–H2O layer. The unit-cell outline is shown.]()
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1-20 OF 27 RESULTS FOR
cuatrocapaite
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Journal Article
Cuatrocapaite-(NH 4 ) and cuatrocapaite-(K), two new minerals from the Torrecillas mine, Iquique Province, Chile, related to lucabindiite and gajardoite Available to Purchase
Journal: Mineralogical Magazine
Published: 22 April 2019
Mineralogical Magazine (2019) 83 (5): 741–748.
...Anthony R. Kampf; Nikita V. Chukanov; Gerhard Möhn; Maurizio Dini; Arturo A. Molina Donoso; Henrik Friis Abstract The new minerals cuatrocapaite-(NH 4 ) (IMA2018-083) and cuatrocapaite-(K) (IMA2018-084) are the NH 4 - and K-dominant members of a series with the general formula (NH 4 ,K) 3 (NaMg...
FIGURES
Image
Analytical data (wt.%) for cuatrocapaite-(NH 4 ) and cuatrocapaite-(K). ... Available to Purchase
in Cuatrocapaite-(NH 4 ) and cuatrocapaite-(K), two new minerals from the Torrecillas mine, Iquique Province, Chile, related to lucabindiite and gajardoite
> Mineralogical Magazine
Published: 22 April 2019
Table 1. Analytical data (wt.%) for cuatrocapaite-(NH 4 ) and cuatrocapaite-(K). Cuatrocapaite-(NH 4 ) Cuatrocapaite-(K) Probe standard Constituent Mean Range S.D. Mean Range S.D. (NH 4 ) 2 * 3.61 ± 0.2 0.44 ± 0.1 Na 2 O 2.85 2.58–3.03 0.20 2.26 2.13–2.44
Journal Article
Mauriziodiniite, NH 4 (As 2 O 3 ) 2 I, the ammonium and iodine analogue of lucabindiite from the Torrecillas mine, Iquique Province, Chile Available to Purchase
Journal: Mineralogical Magazine
Published: 26 November 2019
Mineralogical Magazine (2020) 84 (2): 267–273.
...Anthony R. Kampf; Barbara P. Nash; Arturo A. Molina Donoso Abstract The new mineral mauriziodiniite (IMA2019-036), NH 4 (As 2 O 3 ) 2 I, was found at the Torrecillas mine, Iquique Province, Chile, where it is a secondary alteration phase associated with calcite, cuatrocapaite-(NH 4 ), lavendulan...
FIGURES
Image
Powder IR absorption spectra of (1) cuatrocapaite-(NH 4 ) and (2) cuatrocap... Available to Purchase
in Cuatrocapaite-(NH 4 ) and cuatrocapaite-(K), two new minerals from the Torrecillas mine, Iquique Province, Chile, related to lucabindiite and gajardoite
> Mineralogical Magazine
Published: 22 April 2019
Fig. 5. Powder IR absorption spectra of (1) cuatrocapaite-(NH 4 ) and (2) cuatrocapaite-(K).
Image
The structure of cuatrocapaite-(NH 4 ). Available to Purchase
in Cuatrocapaite-(NH 4 ) and cuatrocapaite-(K), two new minerals from the Torrecillas mine, Iquique Province, Chile, related to lucabindiite and gajardoite
> Mineralogical Magazine
Published: 22 April 2019
Fig. 6. The structure of cuatrocapaite-(NH 4 ).
Image
The structures of mauriziodiniite, gajardoite and cuatrocapaite-(NH 4 ). Available to Purchase
in Mauriziodiniite, NH 4 (As 2 O 3 ) 2 I, the ammonium and iodine analogue of lucabindiite from the Torrecillas mine, Iquique Province, Chile
> Mineralogical Magazine
Published: 26 November 2019
Fig. 5. The structures of mauriziodiniite, gajardoite and cuatrocapaite-(NH 4 ).
Image
Cuatrocapaite-(K) tablets; field of view 0.4 mm across. Specimen no. 66987.... Available to Purchase
in Cuatrocapaite-(NH 4 ) and cuatrocapaite-(K), two new minerals from the Torrecillas mine, Iquique Province, Chile, related to lucabindiite and gajardoite
> Mineralogical Magazine
Published: 22 April 2019
Fig. 3. Cuatrocapaite-(K) tablets; field of view 0.4 mm across. Specimen no. 66987.
Image
Raman spectra of gajardoite, cuatrocapaite-(NH 4 ), I-rich ‘lucabindiite-(N... Available to Purchase
in Mauriziodiniite, NH 4 (As 2 O 3 ) 2 I, the ammonium and iodine analogue of lucabindiite from the Torrecillas mine, Iquique Province, Chile
> Mineralogical Magazine
Published: 26 November 2019
Fig. 3. Raman spectra of gajardoite, cuatrocapaite-(NH 4 ), I-rich ‘lucabindiite-(NH 4 )’ and mauriziodiniite.
Image
Mauriziodiniite tablets on cuatrocapaite-(NH 4 ); field of view = 0.84 mm a... Available to Purchase
in Mauriziodiniite, NH 4 (As 2 O 3 ) 2 I, the ammonium and iodine analogue of lucabindiite from the Torrecillas mine, Iquique Province, Chile
> Mineralogical Magazine
Published: 26 November 2019
Fig. 1. Mauriziodiniite tablets on cuatrocapaite-(NH 4 ); field of view = 0.84 mm across, holotype specimen #67365.
Image
Cuatrocapaite-(NH 4 ) satin-spar-like vein filling; field of view 1.7 mm ac... Available to Purchase
in Cuatrocapaite-(NH 4 ) and cuatrocapaite-(K), two new minerals from the Torrecillas mine, Iquique Province, Chile, related to lucabindiite and gajardoite
> Mineralogical Magazine
Published: 22 April 2019
Fig. 2. Cuatrocapaite-(NH 4 ) satin-spar-like vein filling; field of view 1.7 mm across. Specimen no. 66984.
Image
Cuatrocapaite-(NH 4 ) tablets, some in vermiform stacks, with acicular torr... Available to Purchase
in Cuatrocapaite-(NH 4 ) and cuatrocapaite-(K), two new minerals from the Torrecillas mine, Iquique Province, Chile, related to lucabindiite and gajardoite
> Mineralogical Magazine
Published: 22 April 2019
Fig. 1. Cuatrocapaite-(NH 4 ) tablets, some in vermiform stacks, with acicular torrecillasite; field of view 0.6 mm across. Specimen no. 66986.
Image
Arsenite sheet viewed along c in the structures of mauriziodiniite, lucab... Available to Purchase
in Mauriziodiniite, NH 4 (As 2 O 3 ) 2 I, the ammonium and iodine analogue of lucabindiite from the Torrecillas mine, Iquique Province, Chile
> Mineralogical Magazine
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.
Journal Article
New minerals and nomenclature modifications approved in 2018 Available to Purchase
Journal: Mineralogical Magazine
Published: 01 December 2018
Mineralogical Magazine (2018) 82 (6): 1369–1379.
.... CNMNC Newsletter No. 46, December 2018, page 1371; Mineralogical Magazine , 82 , 1369–1379. IMA No. 2018-083 Cuatrocapaite-(NH 4 ) (NH 4 ) 3 (NaMg☐)(As 2 O 3 ) 6 Cl 6 ·16H 2 O Torrecillas mine, Salar Grande, Iquique Province, Tarapacá Region, Chile (20°58′13″S, 70°8′17″W) Anthony...
Image
Selected layer components in the structure of cuatrocapaite-(NH 4 ) viewed ... Available to Purchase
in Cuatrocapaite-(NH 4 ) and cuatrocapaite-(K), two new minerals from the Torrecillas mine, Iquique Province, Chile, related to lucabindiite and gajardoite
> Mineralogical Magazine
Published: 22 April 2019
Fig. 7. Selected layer components in the structure of cuatrocapaite-(NH 4 ) viewed down c : ( a ) the As 2 O 3 (arsenite) layer, ( b ) the Na–Mg–H 2 O layer, ( c ) the Na–H 2 O portion of the Na–Mg–H 2 O layer, ( d ) the Mg–H 2 O portion of the Na–Mg–H 2 O layer. The unit-cell outline is shown.
Image
Data collection and structure refinement details for cuatrocapaite-(NH 4 ).... Available to Purchase
in Cuatrocapaite-(NH 4 ) and cuatrocapaite-(K), two new minerals from the Torrecillas mine, Iquique Province, Chile, related to lucabindiite and gajardoite
> Mineralogical Magazine
Published: 22 April 2019
Table 4. Data collection and structure refinement details for cuatrocapaite-(NH 4 ). Crystal data Structural formula * [(NH 4 ) 2.65 K 0.35 )] Σ3 (Na 1.72 Mg 0.79 ) Σ2.51 (As 2 O 3 ) 6 Cl 6 ·15.44H 2 O Crystal size (μm) 100 × 100 × 5 Crystal system, space group Trigonal
Image
Data collection and structure refinement details for cuatrocapaite-(NH 4 ).... Available to Purchase
in Cuatrocapaite-(NH 4 ) and cuatrocapaite-(K), two new minerals from the Torrecillas mine, Iquique Province, Chile, related to lucabindiite and gajardoite
> Mineralogical Magazine
Published: 22 April 2019
Table 4. Data collection and structure refinement details for cuatrocapaite-(NH 4 ). Crystal data Structural formula * [(NH 4 ) 2.65 K 0.35 )] Σ3 (Na 1.72 Mg 0.79 ) Σ2.51 (As 2 O 3 ) 6 Cl 6 ·15.44H 2 O Crystal size (μm) 100 × 100 × 5 Crystal system, space group Trigonal
Image
Selected bond distances (Å) for cuatrocapaite-(NH 4 ). NH 4 –O × 12... Available to Purchase
in Cuatrocapaite-(NH 4 ) and cuatrocapaite-(K), two new minerals from the Torrecillas mine, Iquique Province, Chile, related to lucabindiite and gajardoite
> Mineralogical Magazine
Published: 22 April 2019
Table 6. Selected bond distances (Å) for cuatrocapaite-(NH 4 ). NH 4 –O × 12 3.1470(7) Na–OWb × 6 1.721(9) * As1–O × 3 1.7946(13) Na–OWa × 3 2.400(13) As1–Cl × 3 3.3505(5) Mg–OWa × 6 1.985(8) * Na–OWb × 6 2.475(3) As2–O × 3 1.7929(13) Mg–OWb × 12 2.230(7) As2
Image
Powder X-ray data ( d in Å) for cuatrocapaite-(K). I obs I c... Available to Purchase
in Cuatrocapaite-(NH 4 ) and cuatrocapaite-(K), two new minerals from the Torrecillas mine, Iquique Province, Chile, related to lucabindiite and gajardoite
> Mineralogical Magazine
Published: 22 April 2019
Table 3. Powder X-ray data ( d in Å) for cuatrocapaite-(K). I obs I calc d obs d calc hkl 100 100 15.50 15.4093 0 0 3 10 9 7.71 7.7047 0 0 6 32 24 5.13 5.1364 0 0 9 18 4, 3 4.50 4.5365, 4.4724 1 0 1, 0 1 2 1 4.2405
Image
Powder X-ray data ( d in Å) for cuatrocapaite-(NH 4 ). I obs ... Available to Purchase
in Cuatrocapaite-(NH 4 ) and cuatrocapaite-(K), two new minerals from the Torrecillas mine, Iquique Province, Chile, related to lucabindiite and gajardoite
> Mineralogical Magazine
Published: 22 April 2019
Table 2. Powder X-ray data ( d in Å) for cuatrocapaite-(NH 4 ). I obs I calc d obs d calc hkl 100 100 15 . 68 15 . 5627 0 0 3 29 28 7.80 7.7814 0 0 6 56 56 5 . 20 5 . 1876 0 0 9 35 13, 9 4.518 4.5280, 4.4654 1 0 1, 0 1 2
Image
Atom coordinates and displacement parameters (Å 2 ) for cuatrocapaite-(NH 4... Available to Purchase
in Cuatrocapaite-(NH 4 ) and cuatrocapaite-(K), two new minerals from the Torrecillas mine, Iquique Province, Chile, related to lucabindiite and gajardoite
> Mineralogical Magazine
Published: 22 April 2019
Table 5. Atom coordinates and displacement parameters (Å 2 ) for cuatrocapaite-(NH 4 ) * . x / a y / b z / c U eq U 11 U 22 U 33 U 23 U 13 U 12 NH 4 0 0 0 0.0353(14) 0.0346(17) 0.0346(17) 0.037(2) 0 0 0.0173(8) Na ⅓ ⅔ 0.49518(16
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