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fontarnauite

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Journal Article

Fontarnauite, (Na,K) 2 (Sr,Ca)(SO 4 )[B 5 O 8 (OH)](H 2 O) 2 , a New Sulfate-borate Mineral from DoĞanlar (emet), KÜtahya Province, Western Anatolia, Turkey

Mark A. Cooper, Frank C. Hawthorne, Javier GarcÍa-Veigas, Xavier AlcobÉ, Cahit Helvaci, Edward S. Grew, Neil A. Ball
Published: 01 September 2015
The Canadian Mineralogist (2015) 53 (5): 803–820.
DOI: https://doi.org/10.3749/canmin.1400088
...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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Photomicrograph of prismatic <b>fontarnauite</b> crystals elongate along [100] (cr...

Photomicrograph of prismatic fontarnauite crystals elongate along [100] (cr...

Published: 01 September 2015
Fig. 1. Photomicrograph of prismatic fontarnauite crystals elongate along [100] (crossed polars). [Modification of figure used by permission of José Manuel Astilleros, Director of the journal Macla , from García-Veigas et al . (2010) , Macla 13, Fig. 3 , p. 98].
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Photomicrograph of <b>fontarnauite</b> crystals with hexagonal outline formed from...

Photomicrograph of fontarnauite crystals with hexagonal outline formed from...

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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BSE-SEM image of <b>fontarnauite</b> crystals showing the perfect {010} cleavage a...

BSE-SEM image of fontarnauite crystals showing the perfect {010} cleavage a...

Published: 01 September 2015
Fig. 4. BSE-SEM image of fontarnauite crystals showing the perfect {010} cleavage and abundant probertite inclusions. [Used by permission of José Manuel Astilleros, Director of the journal, Macla , from García-Veigas et al . (2010) , Macla 13, Fig. 2 , p. 97].
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FTIR spectrum of <b>fontarnauite</b> at 25 °C.

FTIR spectrum of fontarnauite at 25 °C.

Published: 01 September 2015
Fig. 5. FTIR spectrum of fontarnauite at 25 °C.
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Raman spectrum of <b>fontarnauite</b>.

Raman spectrum of fontarnauite.

Published: 01 September 2015
Fig. 6. Raman spectrum of fontarnauite.
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CHEMICAL COMPOSITION OF <b>FONTARNAUITE</b>

CHEMICAL COMPOSITION OF FONTARNAUITE

Published: 01 September 2015
TABLE 2. CHEMICAL COMPOSITION OF FONTARNAUITE
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POWDER X-RAY DATA FOR <b>FONTARNAUITE</b>

POWDER X-RAY DATA FOR FONTARNAUITE

Published: 01 September 2015
TABLE 3. POWDER X-RAY DATA FOR FONTARNAUITE
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ATOM POSITIONS AND DISPLACEMENT PARAMETERS (Å) 2 FOR <b>FONTARNAUITE</b>

ATOM POSITIONS AND DISPLACEMENT PARAMETERS (Å) 2 FOR FONTARNAUITE

Published: 01 September 2015
TABLE 5. ATOM POSITIONS AND DISPLACEMENT PARAMETERS (Å) 2 FOR FONTARNAUITE
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ANISOTROPIC DISPLACEMENT PARAMETERS (Å) 2 FOR <b>FONTARNAUITE</b>

ANISOTROPIC DISPLACEMENT PARAMETERS (Å) 2 FOR FONTARNAUITE

Published: 01 September 2015
TABLE 6. ANISOTROPIC DISPLACEMENT PARAMETERS (Å) 2 FOR FONTARNAUITE
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SELECTED INTERATOMIC DISTANCES (Å) AND ANGLES (°) FOR <b>FONTARNAUITE</b>

SELECTED INTERATOMIC DISTANCES (Å) AND ANGLES (°) FOR FONTARNAUITE

Published: 01 September 2015
TABLE 7. SELECTED INTERATOMIC DISTANCES (Å) AND ANGLES (°) FOR FONTARNAUITE
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BOND-VALENCE (vu) FOR <b>FONTARNAUITE</b>

BOND-VALENCE (vu) FOR FONTARNAUITE

Published: 01 September 2015
TABLE 8. BOND-VALENCE (vu) FOR FONTARNAUITE
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The [B 5 O 10 (OH)] unit in <b>fontarnauite</b>.

The [B 5 O 10 (OH)] unit in fontarnauite.

Published: 01 September 2015
Fig. 11. The [B 5 O 10 (OH)] unit in fontarnauite.
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The [B 5 O 8 (OH)] sheet in <b>fontarnauite</b> projected down [010]. The B identi...

The [B 5 O 8 (OH)] sheet in fontarnauite projected down [010]. The B identi...

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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A perspective view of the [B 5 O 8 (OH)] sheet in <b>fontarnauite</b> projected do...

A perspective view of the [B 5 O 8 (OH)] sheet in fontarnauite projected do...

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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The crystal structure of <b>fontarnauite</b> projected down [100]. Blue triangles ...

The crystal structure of fontarnauite projected down [100]. Blue triangles ...

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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The &amp;lt;2Δ□&amp;gt;–&amp;lt;Δ2□&amp;gt; FBB in (a) <b>fontarnauite</b> and (b) other related b...

The <2Δ□>–<Δ2□> FBB in (a) fontarnauite and (b) other related b...

Published: 01 September 2015
Fig. 15. The <2Δ□>–<Δ2□> FBB in (a) fontarnauite and (b) other related borates.
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Profile fitting plot. The first line of Bragg position peaks corresponds to...

Profile fitting plot. The first line of Bragg position peaks corresponds to...

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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Thermogravimetric (TG, solid line, axis to left) and differential thermal (...

Thermogravimetric (TG, solid line, axis to left) and differential thermal (...

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.
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Chemical variation in atoms per formula unit of Na versus K (yellow circl...

Chemical variation in atoms per formula unit of Na versus K (yellow circl...

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.