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1-20 OF 32 RESULTS FOR
tlapallite
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Journal Article
The crystal structures of the mixed-valence tellurium oxysalts tlapallite, (Ca,Pb) 3 CaCu 6 [Te 4+ 3 Te 6+ O 12 ] 2 (Te 4+ O 3 ) 2 (SO 4 ) 2 ·3H 2 O, and carlfriesite, CaTe 4+ 2 Te 6+ O 8
Journal: Mineralogical Magazine
Published: 12 February 2019
Mineralogical Magazine (2019) 83 (4): 539–549.
...Owen P. Missen; Anthony R. Kampf; Stuart J. Mills; Robert M. Housley; John Spratt; Mark D. Welch; Mark F. Coolbaugh; Joe Marty; Marek Chorazewicz; Cristiano Ferraris ABSTRACT The crystal structure of tlapallite has been determined using single-crystal X-ray diffraction and supported by electron...
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( a ) Raman spectra of tlapallite from the four analysed localities, with k...
in The crystal structures of the mixed-valence tellurium oxysalts tlapallite, (Ca,Pb) 3 CaCu 6 [Te 4+ 3 Te 6+ O 12 ] 2 (Te 4+ O 3 ) 2 (SO 4 ) 2 ·3H 2 O, and carlfriesite, CaTe 4+ 2 Te 6+ O 8
> Mineralogical Magazine
Published: 12 February 2019
Fig. 4. ( a ) Raman spectra of tlapallite from the four analysed localities, with key lines identified for the Moctezuma specimen. All units in cm –1 . ( b ) Raman spectrum of Otto Mountain tlapallite between 1500 and 3700 cm –1 .
Image
Back-scattered electron image of one of the grains used in the Caltech micr...
in The crystal structures of the mixed-valence tellurium oxysalts tlapallite, (Ca,Pb) 3 CaCu 6 [Te 4+ 3 Te 6+ O 12 ] 2 (Te 4+ O 3 ) 2 (SO 4 ) 2 ·3H 2 O, and carlfriesite, CaTe 4+ 2 Te 6+ O 8
> Mineralogical Magazine
Published: 12 February 2019
Fig. 3. Back-scattered electron image of one of the grains used in the Caltech microprobe analyses of tlapallite from Wildcat Prospect. Field of view is 100 μm. EDS analyses were recorded at the numbered spots. Spots 16, 17, 18, and 22 are tlapallite blades. Spot 19 is carlfriesite. Spots 20, 21
Image
Pale emerald-green crystalline aggregates of tlapallite from Wildcat Prospe...
in The crystal structures of the mixed-valence tellurium oxysalts tlapallite, (Ca,Pb) 3 CaCu 6 [Te 4+ 3 Te 6+ O 12 ] 2 (Te 4+ O 3 ) 2 (SO 4 ) 2 ·3H 2 O, and carlfriesite, CaTe 4+ 2 Te 6+ O 8
> Mineralogical Magazine
Published: 12 February 2019
Fig. 1. Pale emerald-green crystalline aggregates of tlapallite from Wildcat Prospect on specimen number 67231, closely associated with carlfriesite (yellow) and quartz. Field of view = 0.84 mm.
Journal Article
Wildcatite, CaFe 3+ Te 6+ O 5 (OH), the second new tellurate mineral from the Detroit district, Juab County, Utah
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 13 September 2021
The Canadian Mineralogist (2021) 59 (4): 729–739.
... oxysalts andymcdonaldite, burckhardtite, carlfriesite, eckhardite, frankhawthorneite, khinite, mcalpineite, tlapallite, and xocolatlite. The strongest powder diffraction lines are [ d obs Å( I obs )( hkl )]: 3.33(100)(011), 2.60(55)(110), 2.30(59)(111), 2.05(33)(021), and 1.80(88)(112). The average size...
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Image
The structure of tlapallite, showing stacking of two layers in the c dire...
in The crystal structures of the mixed-valence tellurium oxysalts tlapallite, (Ca,Pb) 3 CaCu 6 [Te 4+ 3 Te 6+ O 12 ] 2 (Te 4+ O 3 ) 2 (SO 4 ) 2 ·3H 2 O, and carlfriesite, CaTe 4+ 2 Te 6+ O 8
> Mineralogical Magazine
Published: 12 February 2019
Fig. 5. The structure of tlapallite, showing stacking of two layers in the c direction. Cu 2+ O 6 octahedra are in dark blue, Te 4+ in dark green (surrounding oxygen atoms trigonal pyramidal) or in light green (surrounding oxygen atoms disphenoidal), SO 4 tetrahedra in yellow, Ca 2+ cations
Image
Secondary bonding environments in tlapallite. ( a ) For Te 4+ O 4 with fou...
in The crystal structures of the mixed-valence tellurium oxysalts tlapallite, (Ca,Pb) 3 CaCu 6 [Te 4+ 3 Te 6+ O 12 ] 2 (Te 4+ O 3 ) 2 (SO 4 ) 2 ·3H 2 O, and carlfriesite, CaTe 4+ 2 Te 6+ O 8
> Mineralogical Magazine
Published: 12 February 2019
Fig. 8. Secondary bonding environments in tlapallite. ( a ) For Te 4+ O 4 with four primary and five secondary bonds (noting that one secondary bond is on the same side as the primary), and ( b ) for Te 4+ O 3 with three primary and six secondary bonds. Primary bonds are shown as thicker bonds
Image
X-ray powder diffraction data for tlapallite to 60°2θ (Wildcat) and 80°2θ (...
in The crystal structures of the mixed-valence tellurium oxysalts tlapallite, (Ca,Pb) 3 CaCu 6 [Te 4+ 3 Te 6+ O 12 ] 2 (Te 4+ O 3 ) 2 (SO 4 ) 2 ·3H 2 O, and carlfriesite, CaTe 4+ 2 Te 6+ O 8
> Mineralogical Magazine
Published: 12 February 2019
Table 2. X-ray powder diffraction data for tlapallite to 60°2θ (Wildcat) and 80°2θ (cotype). Cutoff: averaged 10% intensities. Cotype; Cu K α Wildcat, Mo K α Calculated I obs d obs I obs d obs d calc I calc h k l 7 11.905 39 12.014 11.932 60 0 0
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Metal–oxygen bond lengths (Å) for tlapallite. Te1–O3 × 3 1.906(10)...
in The crystal structures of the mixed-valence tellurium oxysalts tlapallite, (Ca,Pb) 3 CaCu 6 [Te 4+ 3 Te 6+ O 12 ] 2 (Te 4+ O 3 ) 2 (SO 4 ) 2 ·3H 2 O, and carlfriesite, CaTe 4+ 2 Te 6+ O 8
> Mineralogical Magazine
Published: 12 February 2019
Table 5. Metal–oxygen bond lengths (Å) for tlapallite. Te1–O3 × 3 1.906(10) Te3–O4 × 3 1.875(12) S1–O1 × 3 1.460(12) Te1–O7 × 3 1.934(10) Te3–O5 × 3 2.839(12) S1–O2 1.47(2) <Te1–O> 1.920 Te3–O1 × 3 3.280(13) <S–O> 1.472 <Te3–O> short 1.875
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The average composition of tlapallite determined by electron probe micro-an...
in The crystal structures of the mixed-valence tellurium oxysalts tlapallite, (Ca,Pb) 3 CaCu 6 [Te 4+ 3 Te 6+ O 12 ] 2 (Te 4+ O 3 ) 2 (SO 4 ) 2 ·3H 2 O, and carlfriesite, CaTe 4+ 2 Te 6+ O 8
> Mineralogical Magazine
Published: 12 February 2019
Table 1. The average composition of tlapallite determined by electron probe micro-analysis and structure determination. Cotype, Moctezuma (specimen number 180.92) 15 analyses Wildcat prospect, Utah (specimen number 67231) 14 analyses Oxide Avg. Min. Max. S.D. Avg. Min. Max
Image
Three-connecting sites in tlapallite. ( a ) Each Te 6+ O 6 octahedron is l...
in The crystal structures of the mixed-valence tellurium oxysalts tlapallite, (Ca,Pb) 3 CaCu 6 [Te 4+ 3 Te 6+ O 12 ] 2 (Te 4+ O 3 ) 2 (SO 4 ) 2 ·3H 2 O, and carlfriesite, CaTe 4+ 2 Te 6+ O 8
> Mineralogical Magazine
Published: 12 February 2019
Fig. 7. Three-connecting sites in tlapallite. ( a ) Each Te 6+ O 6 octahedron is linked to three Te 4+ O 4 disphenoids and three Ca2 cations. ( b ) The trigonal pyramidal Te 4+ O 3 bridges three Cu 2+ 2 O 10 dimers.
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Bond valence sums (in valence units) for tlapallite. Te1 * Te2 ...
in The crystal structures of the mixed-valence tellurium oxysalts tlapallite, (Ca,Pb) 3 CaCu 6 [Te 4+ 3 Te 6+ O 12 ] 2 (Te 4+ O 3 ) 2 (SO 4 ) 2 ·3H 2 O, and carlfriesite, CaTe 4+ 2 Te 6+ O 8
> Mineralogical Magazine
Published: 12 February 2019
Table 6. Bond valence sums (in valence units) for tlapallite. Te1 * Te2 Te3 Cu Ca1 Ca2 ** S1 H Σ O1 0.06 × 2↓ 0.04 × 3↓ 0.02 1.58 × 3↓ 0.25 (acceptor) 2.01 O2 0.07 1.54 1.62 O3 1.02 × 3↓ 0.02 0.49 0.32 × 2↓, 0.23 × 2↓ 2.09 O4 1.23 × 3
Journal Article
Andymcdonaldite (Fe 3+ 2 Te 6+ O 6 ), a new ferric iron tellurate with inverse trirutile structure from the Detroit district, Juab County, Utah
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 16 January 2020
The Canadian Mineralogist (2020) 58 (1): 85–97.
..., frankhawthorneite, khinite, mcalpineite, paratellurite, tellurite, tlapallite, and xocolatlite. This is the first known natural occurrence of a phase with an ordered (tetragonal) inverse trirutile structure ( A 3+ 2 B 6+ O 6 ) which has many synthetic representatives. The B site in andymcdonaldite is occupied by Te...
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Journal Article
Tombstoneite, a new mineral from Tombstone, Arizona, USA, with a pinwheel-like Te 6+ O 3 (Te 4+ O 3 ) 3 cluster
Journal: Mineralogical Magazine
Published: 18 August 2022
Mineralogical Magazine (2023) 87 (1): 10–17.
... structure (natural or synthetic) with a finite complex that includes both Te 4+ and Te 6+ polyhedra. The only other mineral crystal structures that include both Te 4+ and Te 6+ polyhedra are: tlapallite, (Ca,Pb) 3 CaCu 6 [Te 4+ 3 Te 6+ O 12 ] 2 (Te 4+ O 3 ) 2 (SO 4 ) 2 ⋅3H 2 O, (mixed-valence...
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Summary of information relating to data collection and structure refinement...
in The crystal structures of the mixed-valence tellurium oxysalts tlapallite, (Ca,Pb) 3 CaCu 6 [Te 4+ 3 Te 6+ O 12 ] 2 (Te 4+ O 3 ) 2 (SO 4 ) 2 ·3H 2 O, and carlfriesite, CaTe 4+ 2 Te 6+ O 8
> Mineralogical Magazine
Published: 12 February 2019
Table 3. Summary of information relating to data collection and structure refinement of tlapallite. Crystal data Ideal chemical formula (Ca 0.87 Pb 0.13 ) 3 CaCu 6 Te 4+ 8 (Te 6+ 0.87 Sb 5+ 0.13 ) 2 O 30 (SO 4 ) 2 ·3H 2 O Crystal system, space group Trigonal, P 321
Journal Article
The discreditation of oboyerite and a note on the crystal structure of plumbotellurite
Journal: Mineralogical Magazine
Published: 04 October 2019
Mineralogical Magazine (2019) 83 (6): 791–797.
... intergrowths. These sort of characterisations become even more problematic when more than one specimen is used to characterise the same mineral. Following the discreditations of ‘girdite’ and ‘oboyerite’, the number of remaining valid mixed-valence Te oxysalt minerals is just four. Carlfriesite and tlapallite...
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Journal Article
Hagstromite, Pb 8 Cu 2+ (Te 6+ O 6 ) 2 (CO 3 )Cl 4 , a new lead–tellurium oxysalt mineral from Otto Mountain, California, USA
Journal: Mineralogical Magazine
Published: 27 April 2020
Mineralogical Magazine (2020) 84 (4): 517–523.
... tellurate Rb 2 HPO 4 RbH 2 PO 4 ⋅Te(OH) 6 . Journal of Saudi Chemical Society , 21 , 324 – 333 . Frost R.L. ( 2009 ) Tlapallite H 6 (Ca,Pb) 2 (Cu,Zn) 3 SO 4 (TeO 3 ) 4 TeO 6 , a multi-anion mineral: a Raman spectroscopic study . Spectrochimica Acta Part A: Molecular and Biomolecular...
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Journal Article
Matthiasweilite, PbTe 4+ O 3 , a New Tellurite Mineral from the Delamar Mine, Lincoln County, Nevada, USA
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 21 October 2022
The Canadian Mineralogist (2022) 60 (5): 805–814.
..., rodalquilarite, spiroffite, teineite, tellurite, tlapallite, utahite, xocolatlite, xocomecatlite, and possibly zemannite. We have also confirmed the occurrence of native tellurium, altaite, and the likely occurrence of hessite. The new mineral matthiasweilite was initially identified on a single micromount...
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Journal Article
Subject Index
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 08 April 2021
The Canadian Mineralogist (2020) 58 (6): 867–869.
..., sergevanite, 421, stromeyerite, 195, sugakiite, 105, surkhobite, 19, tantalite-(Mn), 771, titanite, 45, tlapallite, 87, triphylite, 736, turquoise, 76, turquoise-group solid solutions, 71, unidentified Pd 3 Tl, 396, unidentified phosphate (TARP), 756, unnamed Ca-rich analogue of windmountainite, 483, unnamed...
Journal Article
Müllerite, the Fe-analogue of backite from Otto Mountain, California, USA
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 01 July 2020
The Canadian Mineralogist (2020) 58 (4): 413–419.
... of the new rubidium phosphate tellurate Rb 2 HPO 4 RbH 2 PO 4 ·Te(OH) 6 . Journal of Saudi Chemical Society 21 , 324 – 333 . Frost, R.L. (2009) Tlapallite H 6 (Ca,Pb) 2 (Cu,Zn) 3 SO 4 (TeO 3 ) 4 TeO 6 , a multi-anion mineral: A Raman spectroscopic study . Spectrochimica Acta Part...
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