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![The FTIR spectra of <span class="search-highlight">bulgakite</span> (a) and nalivkinite (b). (c) The Raman spectr...]()
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![General view of the amphibole–quartz–feldspar rock (6 × 5 × 3 cm) in which ...]()
![COMPARISON OF <span class="search-highlight">BULGAKITE</span> AND NALIVKINITE]()
![BSE image of the intergrowth of flakes of <span class="search-highlight">bulgakite</span> (Bul) with alkali amphi...]()
![CHEMICAL COMPOSITION AND UNIT FORMULA FOR <span class="search-highlight">BULGAKITE</span> AND NALIVKINITE]()
![POWDER X-RAY DATA FOR <span class="search-highlight">BULGAKITE</span>]()
![MISCELLANEOUS REFINEMENT DATA FOR <span class="search-highlight">BULGAKITE</span> AND NALIVKINITE]()
![SELECTED INTERATOMIC DISTANCES (Å) AND ANGLES (°) FOR <span class="search-highlight">BULGAKITE</span> AND NALIVKI...]()
![REFINED SITE-SCATTERING VALUES AND ASSIGNED SITE-POPULATIONS FOR <span class="search-highlight">BULGAKITE</span> ...]()
![HYDROGEN BONDING IN <span class="search-highlight">BULGAKITE</span> AND NALIVKINITE]()
![SELECTED BOND-VALENCE VALUES* FOR <span class="search-highlight">BULGAKITE</span> AND NALIVKINITE]()
![The crystal structure of <span class="search-highlight">bulgakite</span>: (a) general view, (b) a possible short-...]()
![ATOM COORDINATES AND EQUIVALENT* DISPLACEMENT PARAMETERS (Å 2 ) FOR BULGAKI...]()
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1-20 OF 146 RESULTS FOR
bulgakite
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Journal Article
Two Astrophyllite-supergroup Minerals: Bulgakite, a New Mineral from the Darai-pioz Alkaline Massif, Tajikistan and Revision of the Crystal Structure and Chemical Formula of Nalivkinite
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 01 January 2016
The Canadian Mineralogist (2016) 54 (1): 33–48.
...Atali A. Agakhanov; Leonid A. Pautov; Elena Sokolova; Yassir A. Abdu; Vladimir Y. Karpenko Abstract Bulgakite, ideally Li 2 (Ca,Na)Fe 2+ 7 Ti 2 (Si 4 O 12 ) 2 O 2 (OH) 4 (O,F)(H 2 O) 2 , and nalivkinite, ideally Li 2 NaFe 2+ 7 Ti 2 (Si 4 O 12 ) 2 O 2 (OH) 4 F(H 2 O) 2 , are astrophyllite-supergroup...
FIGURES
| View All (4)
Image
The FTIR spectra of bulgakite (a) and nalivkinite (b). (c) The Raman spectr...
in Two Astrophyllite-supergroup Minerals: Bulgakite, a New Mineral from the Darai-pioz Alkaline Massif, Tajikistan and Revision of the Crystal Structure and Chemical Formula of Nalivkinite
> The Canadian Mineralogist
Published: 01 January 2016
Fig. 3. The FTIR spectra of bulgakite (a) and nalivkinite (b). (c) The Raman spectrum of bulgakite.
Journal Article
The astrophyllite supergroup: nomenclature and classification
Journal: Mineralogical Magazine
Published: 01 February 2017
Mineralogical Magazine (2017) 81 (1): 143–153.
..., niobophyllite, zircophyllite, tarbagataite, nalivkinite and bulgakite. In the kupletskite group (HOH blocks connect via D– –D bridges, Mn 2+ is dominant at C 7 ), there are three minerals: kupletskite, niobokupletskite and kupletskite-(Cs). In the devitoite group (HOH blocks do not connect via D– –D bridges...
FIGURES
| View All (7)
Image
General view of the amphibole–quartz–feldspar rock (6 × 5 × 3 cm) in which ...
in Two Astrophyllite-supergroup Minerals: Bulgakite, a New Mineral from the Darai-pioz Alkaline Massif, Tajikistan and Revision of the Crystal Structure and Chemical Formula of Nalivkinite
> The Canadian Mineralogist
Published: 01 January 2016
Fig. 1. General view of the amphibole–quartz–feldspar rock (6 × 5 × 3 cm) in which bulgakite was found. Crystals of bulgakite, brownish orange, form intergrowths with black alkali amphibole, quartz, and microcline.
Journal Article
New Mineral Names,
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 May 2017
American Mineralogist (2017) 102 (5): 1143–1148.
... for 10 new minerals, including bulgakite, dyrnaesite-(La), eleonorite, gatewayite, joanneumite, mendeleevite-(Nd), morrisonite, nolzeite, packratite, vanarsite and a new data on nalivkinite. * All minerals marked with an asterisk have been approved by the IMA CNMMC. † For a complete...
Image
COMPARISON OF BULGAKITE AND NALIVKINITE
in Two Astrophyllite-supergroup Minerals: Bulgakite, a New Mineral from the Darai-pioz Alkaline Massif, Tajikistan and Revision of the Crystal Structure and Chemical Formula of Nalivkinite
> The Canadian Mineralogist
Published: 01 January 2016
TABLE 1. COMPARISON OF BULGAKITE AND NALIVKINITE
Image
BSE image of the intergrowth of flakes of bulgakite (Bul) with alkali amphi...
in Two Astrophyllite-supergroup Minerals: Bulgakite, a New Mineral from the Darai-pioz Alkaline Massif, Tajikistan and Revision of the Crystal Structure and Chemical Formula of Nalivkinite
> The Canadian Mineralogist
Published: 01 January 2016
Fig. 2. BSE image of the intergrowth of flakes of bulgakite (Bul) with alkali amphibole (Amp), microcline (Mc), albite (Ab), and quartz (Qtz).
Image
CHEMICAL COMPOSITION AND UNIT FORMULA FOR BULGAKITE AND NALIVKINITE
in Two Astrophyllite-supergroup Minerals: Bulgakite, a New Mineral from the Darai-pioz Alkaline Massif, Tajikistan and Revision of the Crystal Structure and Chemical Formula of Nalivkinite
> The Canadian Mineralogist
Published: 01 January 2016
TABLE 2. CHEMICAL COMPOSITION AND UNIT FORMULA FOR BULGAKITE AND NALIVKINITE
Image
POWDER X-RAY DATA FOR BULGAKITE
in Two Astrophyllite-supergroup Minerals: Bulgakite, a New Mineral from the Darai-pioz Alkaline Massif, Tajikistan and Revision of the Crystal Structure and Chemical Formula of Nalivkinite
> The Canadian Mineralogist
Published: 01 January 2016
TABLE 3. POWDER X-RAY DATA FOR BULGAKITE
Image
MISCELLANEOUS REFINEMENT DATA FOR BULGAKITE AND NALIVKINITE
in Two Astrophyllite-supergroup Minerals: Bulgakite, a New Mineral from the Darai-pioz Alkaline Massif, Tajikistan and Revision of the Crystal Structure and Chemical Formula of Nalivkinite
> The Canadian Mineralogist
Published: 01 January 2016
TABLE 4. MISCELLANEOUS REFINEMENT DATA FOR BULGAKITE AND NALIVKINITE
Image
SELECTED INTERATOMIC DISTANCES (Å) AND ANGLES (°) FOR BULGAKITE AND NALIVKI...
in Two Astrophyllite-supergroup Minerals: Bulgakite, a New Mineral from the Darai-pioz Alkaline Massif, Tajikistan and Revision of the Crystal Structure and Chemical Formula of Nalivkinite
> The Canadian Mineralogist
Published: 01 January 2016
TABLE 6. SELECTED INTERATOMIC DISTANCES (Å) AND ANGLES (°) FOR BULGAKITE AND NALIVKINITE
Image
REFINED SITE-SCATTERING VALUES AND ASSIGNED SITE-POPULATIONS FOR BULGAKITE ...
in Two Astrophyllite-supergroup Minerals: Bulgakite, a New Mineral from the Darai-pioz Alkaline Massif, Tajikistan and Revision of the Crystal Structure and Chemical Formula of Nalivkinite
> The Canadian Mineralogist
Published: 01 January 2016
TABLE 7. REFINED SITE-SCATTERING VALUES AND ASSIGNED SITE-POPULATIONS FOR BULGAKITE AND NALIVKINITE
Image
HYDROGEN BONDING IN BULGAKITE AND NALIVKINITE
in Two Astrophyllite-supergroup Minerals: Bulgakite, a New Mineral from the Darai-pioz Alkaline Massif, Tajikistan and Revision of the Crystal Structure and Chemical Formula of Nalivkinite
> The Canadian Mineralogist
Published: 01 January 2016
TABLE 8. HYDROGEN BONDING IN BULGAKITE AND NALIVKINITE
Image
SELECTED BOND-VALENCE VALUES* FOR BULGAKITE AND NALIVKINITE
in Two Astrophyllite-supergroup Minerals: Bulgakite, a New Mineral from the Darai-pioz Alkaline Massif, Tajikistan and Revision of the Crystal Structure and Chemical Formula of Nalivkinite
> The Canadian Mineralogist
Published: 01 January 2016
TABLE 9. SELECTED BOND-VALENCE VALUES* FOR BULGAKITE AND NALIVKINITE
Image
The crystal structure of bulgakite: (a) general view, (b) a possible short-...
in Two Astrophyllite-supergroup Minerals: Bulgakite, a New Mineral from the Darai-pioz Alkaline Massif, Tajikistan and Revision of the Crystal Structure and Chemical Formula of Nalivkinite
> The Canadian Mineralogist
Published: 01 January 2016
Fig. 4. The crystal structure of bulgakite: (a) general view, (b) a possible short-range-order (SRO) arrangement of K and Li atoms at the A (1) and A (2) sites, respectively. The Fe 2+ -dominant and Ti octahedra are green and yellow, respectively; Si tetrahedra are orange; Ca, K, and Li atoms
Image
ATOM COORDINATES AND EQUIVALENT* DISPLACEMENT PARAMETERS (Å 2 ) FOR BULGAKI...
in Two Astrophyllite-supergroup Minerals: Bulgakite, a New Mineral from the Darai-pioz Alkaline Massif, Tajikistan and Revision of the Crystal Structure and Chemical Formula of Nalivkinite
> The Canadian Mineralogist
Published: 01 January 2016
TABLE 5. ATOM COORDINATES AND EQUIVALENT* DISPLACEMENT PARAMETERS (Å 2 ) FOR BULGAKITE AND NALIVKINITE
Journal Article
The Crystal Structure of Zircophyllite, K 2 NaFe 2+ 7 Zr 2 (Si 4 O 12 ) 2 O 2 (OH) 4 F, an Astrophyllite-supergroup Mineral from Mont Saint-hilaire, QuÉbec, Canada
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 01 November 2016
The Canadian Mineralogist (2016) 54 (6): 1539–1547.
... collection and structure refinement. An absorption correction was done using the TWINABS program ( Sheldrick 2008 ). CELL_NOW ( Sheldrick 2004 ) was used to obtain an HKLF5 file. The crystal structure of zircophyllite was refined using the atom coordinates of bulgakite (Agakhanov et al . 2016...
FIGURES
Journal Article
Heyerdahlite, Na 3 Mn 7 Ti 2 (Si 4 O 12 ) 2 O 2 (OH) 4 F(H 2 O) 2 , a new mineral of the astrophyllite supergroup from the Larvik Plutonic complex, Norway: Description and crystal structure
Journal: Mineralogical Magazine
Published: 01 April 2018
Mineralogical Magazine (2018) 82 (2): 243–255.
...) 1 1 1 (3) Nalivkinite Li 2 Na ${\rm Fe}_{\rm 7}^{{\rm 2 +}} $ Ti 2 (Si 4 O 12 ) 2 O 2 (OH) 4 F (H 2 O) 2 1 1 1 (4) Bulgakite Li 2 (Ca,Na) ${\rm Fe}_{\rm 7}^{{\rm 2 +}} $ Ti 2 (Si 4 O 12 ) 2 O 2 (OH) 4 (O,F) (H 2 O) 2 1 1 1 (4...
FIGURES
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Journal Article
From Structure Topology to Chemical Composition. XXIX. Revision of the Crystal Structure of Perraultite, NaBaMn 4 Ti 2 (Si 2 O 7 ) 2 O 2 (OH) 2 F, a Seidozerite-Supergroup TS-Block Mineral from the Oktyabr'skii Massif, Ukraine, and Discreditation of Surkhobite
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 14 June 2021
The Canadian Mineralogist (2021) 59 (2): 365–379.
... apfu (tarbagataite, Stepanov et al . 2012 ) and Ca 0.62 Na 0.38 apfu (bulgakite, Agakhanov et al . 2016 ) have mean distances of 2.593 Å. The value of the refined scattering for the site in question is a more reliable determinant for site-population assignment, especially where elements have...
FIGURES
Journal Article
New minerals and nomenclature modifications approved in 2014
Journal: Mineralogical Magazine
Published: 01 October 2014
Mineralogical Magazine (2014) 78 (5): 1241–1248.
... material is deposited in the collections of the Natural History Museum of Los Angeles County, California, USA, catalogue number 64171, and the Robert B. Ferguson Museum of Mineralogy, University of Manitoba, Canada, catalogue number M7889 Bulgakite Li 2 (Ca,Na) Fe 7 2 + Ti 2 (Si 4 O 12...
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