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fontarnauite

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Journal Article
Published: 01 September 2015
The Canadian Mineralogist (2015) 53 (5): 803–820.
...Mark A. Cooper; Frank C. Hawthorne; Javier GarcÍa-Veigas; Xavier AlcobÉ; Cahit Helvaci; Edward S. Grew; Neil A. Ball Fontarnauite was discovered in cores recovered from the Kütahya-Emet 2 and 188 (named here as Doğanlar) boreholes drilled in the Emet borate basin near the village of Doğanlar...
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First thumbnail for: <span class="search-highlight">Fontarnauite</span>...
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Third thumbnail for: <span class="search-highlight">Fontarnauite</span>...
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Chemical variation in atoms per formula unit of Ca versus K in fontarnauite in the holotype specimen. Small red circles: 43 individual analyses; large red circle: average of the 43 individual analyses; green star: inferred Ca and K content deduced from structure refinement (see text). The near-coincidence of the average and refined compositions indicates that the structure crystal is representative of fontarnauite in the holotype specimen.
Published: 01 September 2015
Fig. 9. Chemical variation in atoms per formula unit of Ca versus K in fontarnauite in the holotype specimen. Small red circles: 43 individual analyses; large red circle: average of the 43 individual analyses; green star: inferred Ca and K content deduced from structure refinement (see text
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Raman spectrum of fontarnauite.
Published: 01 September 2015
Fig. 6. Raman spectrum of fontarnauite.
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Published: 01 September 2015
TABLE 2. CHEMICAL COMPOSITION OF FONTARNAUITE
Journal Article
Published: 01 December 2016
American Mineralogist (2016) 101 (12): 2778–2784.
..., ferraioloite, fontarnauite, grundmannite, kayrobertsonite, magnesio-ferri-fluoro-hornblende, melanarsite, nickeltsumcorite, sanguite, silicocarnotite, vanadium, and wernerkrauseite. S.J. Mills, I.E. Grey, A.R. Kampf, W.D. Birch, C.M. Macrae, J.B. Smith, and E. Keck (2016) Kayrobertsonite, MnAl 2 (PO 4 ) 2...
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Published: 01 September 2015
TABLE 8. BOND-VALENCE (vu) FOR FONTARNAUITE
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FTIR spectrum of fontarnauite at 25 °C.
Published: 01 September 2015
Fig. 5. FTIR spectrum of fontarnauite at 25 °C.
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Published: 01 September 2015
TABLE 3. POWDER X-RAY DATA FOR FONTARNAUITE
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Published: 01 September 2015
TABLE 6. ANISOTROPIC DISPLACEMENT PARAMETERS (Å) 2 FOR FONTARNAUITE
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Published: 01 September 2015
TABLE 7. SELECTED INTERATOMIC DISTANCES (Å) AND ANGLES (°) FOR FONTARNAUITE
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Published: 01 September 2015
TABLE 5. ATOM POSITIONS AND DISPLACEMENT PARAMETERS (Å) 2 FOR FONTARNAUITE
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The [B5O10(OH)] unit in fontarnauite.
Published: 01 September 2015
Fig. 11. The [B 5 O 10 (OH)] unit in fontarnauite.
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The &lt;2Δ□&gt;–&lt;Δ2□&gt; FBB in (a) fontarnauite and (b) other related borates.
Published: 01 September 2015
Fig. 15. The <2Δ□>–<Δ2□> FBB in (a) fontarnauite and (b) other related borates.
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The crystal structure of fontarnauite projected down [100]. Blue triangles and tetrahedra represent boron groups.
Published: 01 September 2015
Fig. 14. The crystal structure of fontarnauite projected down [100]. Blue triangles and tetrahedra represent boron groups.
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Photomicrograph of fontarnauite crystals with hexagonal outline formed from the {010} side pinacoid and the {011} prism (crossed polars).
Published: 01 September 2015
Fig. 3. Photomicrograph of fontarnauite crystals with hexagonal outline formed from the {010} side pinacoid and the {011} prism (crossed polars).
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Profile fitting plot. The first line of Bragg position peaks corresponds to fontarnauite. The second line corresponds to probertite.
Published: 01 September 2015
Fig. 10. Profile fitting plot. The first line of Bragg position peaks corresponds to fontarnauite. The second line corresponds to probertite.
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A perspective view of the [B5O8(OH)] sheet in fontarnauite projected down an axis rotated ~ 5° from [100].
Published: 01 September 2015
Fig. 13. A perspective view of the [B 5 O 8 (OH)] sheet in fontarnauite projected down an axis rotated ~ 5° from [100].
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Chemical variation in atoms per formula unit of Na versus K (yellow circles) and of Sr versus Ca (green circles) in fontarnauite in the holotype specimen.
Published: 01 September 2015
Fig. 8. Chemical variation in atoms per formula unit of Na versus K (yellow circles) and of Sr versus Ca (green circles) in fontarnauite in the holotype specimen.
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The [B5O8(OH)] sheet in fontarnauite projected down [010]. The B identities of a single B5O10(OH) unit are labeled.
Published: 01 September 2015
Fig. 12. The [B 5 O 8 (OH)] sheet in fontarnauite projected down [010]. The B identities of a single B 5 O 10 (OH) unit are labeled.
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Thermogravimetric (TG, solid line, axis to left) and differential thermal (DTA, dashed line, axis to right) analyses of fontarnauite in a sample from the Doğanlar 188 borehole at 249 m.
Published: 01 September 2015
Fig. 7. Thermogravimetric (TG, solid line, axis to left) and differential thermal (DTA, dashed line, axis to right) analyses of fontarnauite in a sample from the Doğanlar 188 borehole at 249 m.