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![Comparison of <span class="search-highlight">lobanovite</span> and astrophyllite. <span class="search-highlight">Lobanovite</span>* Astroph...]()
![Comparison of <span class="search-highlight">lobanovite</span> and astrophyllite. <span class="search-highlight">Lobanovite</span>* Astroph...]()
![Comparison of <span class="search-highlight">lobanovite</span> and astrophyllite. <span class="search-highlight">Lobanovite</span>* Astroph...]()
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![General view of the crystal structures of ( a ) <span class="search-highlight">lobanovite</span>, ( b ) sveinberg...]()
![Powder diffraction data for <span class="search-highlight">lobanovite</span>*. I obs. d obs. (Å...]()
![Powder diffraction data for <span class="search-highlight">lobanovite</span>*. I obs. d obs. (Å...]()
![Powder diffraction data for <span class="search-highlight">lobanovite</span>*. I obs. d obs. (Å...]()
![General view of the crystal structures of ( a ) <span class="search-highlight">lobanovite</span>, ( b ) sveinberg...]()
![Powder diffraction data for <span class="search-highlight">lobanovite</span>*. I obs. d obs. (Å...]()
![Powder diffraction data for <span class="search-highlight">lobanovite</span>*. I obs. d obs. (Å...]()
![Powder diffraction data for <span class="search-highlight">lobanovite</span>*. I obs. d obs. (Å...]()
![The crystal structure of <span class="search-highlight">lobanovite</span>: ( a ) the HOH block viewed perpendicul...]()
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1-20 OF 146 RESULTS FOR
lobanovite
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1
Journal Article
Lobanovite, K 2 Na( Mg 2 Na)Ti 2 (Si 4 O 12 ) 2 O 2 (OH) 4 , a new mineral of the astrophyllite supergroup and its relation to magnesioastrophyllite
Journal: Mineralogical Magazine
Published: 01 February 2017
Mineralogical Magazine (2017) 81 (1): 175–181.
...Elena Sokolova; Fernando Cámara; Frank C. Hawthorne; Evgeny I. Semenov; Marco E. Ciriotti Abstract Lobanovite, K 2 Na( Mg 2 Na)Ti 2 (Si 4 O 12 ) 2 O 2 (OH) 4 , is a new mineral of the astrophyllite supergroup from Mt. Yukspor, the Khibiny alkaline massif, Kola Peninsula Russia. It has been known...
FIGURES
Image
Comparison of lobanovite and astrophyllite. Lobanovite* Astroph...
in Lobanovite, K 2 Na( Mg 2 Na)Ti 2 (Si 4 O 12 ) 2 O 2 (OH) 4 , a new mineral of the astrophyllite supergroup and its relation to magnesioastrophyllite
> Mineralogical Magazine
Published: 01 February 2017
Table 1. Comparison of lobanovite and astrophyllite. Lobanovite* Astrophyllite** Formula K 2 Na( Mg 2 Na)Ti 2 (Si 4 O 12 ) 2 O 2 (OH) 4 K 2 Na Ti 2 (Si 4 O 12 ) 2 O 2 (OH) 4 F System Monoclinic triclinic Space group C 2/ m P a (Å) 5.3327(2) 5.36
Image
Comparison of lobanovite and astrophyllite. Lobanovite* Astroph...
in Lobanovite, K 2 Na( Mg 2 Na)Ti 2 (Si 4 O 12 ) 2 O 2 (OH) 4 , a new mineral of the astrophyllite supergroup and its relation to magnesioastrophyllite
> Mineralogical Magazine
Published: 01 February 2017
Table 1. Comparison of lobanovite and astrophyllite. Lobanovite* Astrophyllite** Formula K 2 Na( Mg 2 Na)Ti 2 (Si 4 O 12 ) 2 O 2 (OH) 4 K 2 Na Ti 2 (Si 4 O 12 ) 2 O 2 (OH) 4 F System Monoclinic triclinic Space group C 2/ m P a (Å) 5.3327(2) 5.36
Image
Comparison of lobanovite and astrophyllite. Lobanovite* Astroph...
in Lobanovite, K 2 Na( Mg 2 Na)Ti 2 (Si 4 O 12 ) 2 O 2 (OH) 4 , a new mineral of the astrophyllite supergroup and its relation to magnesioastrophyllite
> Mineralogical Magazine
Published: 01 February 2017
Table 1. Comparison of lobanovite and astrophyllite. Lobanovite* Astrophyllite** Formula K 2 Na( Mg 2 Na)Ti 2 (Si 4 O 12 ) 2 O 2 (OH) 4 K 2 Na Ti 2 (Si 4 O 12 ) 2 O 2 (OH) 4 F System Monoclinic triclinic Space group C 2/ m P a (Å) 5.3327(2) 5.36
Journal Article
The astrophyllite supergroup: nomenclature and classification
Journal: Mineralogical Magazine
Published: 01 February 2017
Mineralogical Magazine (2017) 81 (1): 143–153.
...), there are three minerals: devitoite, sveinbergeite and lobanovite. The general formula for the astrophyllite-supergroup minerals is of the form A 2p B r C 7 D 2 (T 4 O 12 ) 2 I n W A2 , where C [cations at the M (1–4) sites in the O sheet] = Fe 2+ , Mn, Na, Mg, Zn, Fe 3+ , Ca, Zr, Li; D (cations in the H sheets...
FIGURES
| View All (7)
Image
General view of the crystal structures of ( a ) lobanovite, ( b ) sveinberg...
Published: 01 February 2017
Fig. 4. General view of the crystal structures of ( a ) lobanovite, ( b ) sveinbergeite and ( c ) devitoite. Legend as in Fig. 2 ; the Mg and Na octahedra are pink and navy blue, the [5]-coordinated Fe 3+ polyhedra are yellow; Ca (at the B site in sveinbergeite) and Ba (at the A and B
Image
Powder diffraction data for lobanovite*. I obs. d obs. (Å...
in Lobanovite, K 2 Na( Mg 2 Na)Ti 2 (Si 4 O 12 ) 2 O 2 (OH) 4 , a new mineral of the astrophyllite supergroup and its relation to magnesioastrophyllite
> Mineralogical Magazine
Published: 01 February 2017
Table 3. Powder diffraction data for lobanovite*. I obs. d obs. (Å) d calc. (Å) h k l 80 10.1 10.22 0 0 1 60 3.80 3.83 0 4 2 3.82 1 3 1 100 3.38 3.41 0 0 3 50 3.079 3.11 1 3 2 3.08 0 6 2 30 2.889 2.882 3
Image
Powder diffraction data for lobanovite*. I obs. d obs. (Å...
in Lobanovite, K 2 Na( Mg 2 Na)Ti 2 (Si 4 O 12 ) 2 O 2 (OH) 4 , a new mineral of the astrophyllite supergroup and its relation to magnesioastrophyllite
> Mineralogical Magazine
Published: 01 February 2017
Table 3. Powder diffraction data for lobanovite*. I obs. d obs. (Å) d calc. (Å) h k l 80 10.1 10.22 0 0 1 60 3.80 3.83 0 4 2 3.82 1 3 1 100 3.38 3.41 0 0 3 50 3.079 3.11 1 3 2 3.08 0 6 2 30 2.889 2.882 3
Image
Powder diffraction data for lobanovite*. I obs. d obs. (Å...
in Lobanovite, K 2 Na( Mg 2 Na)Ti 2 (Si 4 O 12 ) 2 O 2 (OH) 4 , a new mineral of the astrophyllite supergroup and its relation to magnesioastrophyllite
> Mineralogical Magazine
Published: 01 February 2017
Table 3. Powder diffraction data for lobanovite*. I obs. d obs. (Å) d calc. (Å) h k l 80 10.1 10.22 0 0 1 60 3.80 3.83 0 4 2 3.82 1 3 1 100 3.38 3.41 0 0 3 50 3.079 3.11 1 3 2 3.08 0 6 2 30 2.889 2.882 3
Image
General view of the crystal structures of ( a ) lobanovite, ( b ) sveinberg...
Published: 01 February 2017
Fig. 4. General view of the crystal structures of ( a ) lobanovite, ( b ) sveinbergeite and ( c ) devitoite. Legend as in Fig. 2 ; the Mg and Na octahedra are pink and navy blue, the [5]-coordinated Fe 3+ polyhedra are yellow; Ca (at the B site in sveinbergeite) and Ba (at the A and B
Image
Powder diffraction data for lobanovite*. I obs. d obs. (Å...
in Lobanovite, K 2 Na( Mg 2 Na)Ti 2 (Si 4 O 12 ) 2 O 2 (OH) 4 , a new mineral of the astrophyllite supergroup and its relation to magnesioastrophyllite
> Mineralogical Magazine
Published: 01 February 2017
Table 3. Powder diffraction data for lobanovite*. I obs. d obs. (Å) d calc. (Å) h k l 80 10.1 10.22 0 0 1 60 3.80 3.83 0 4 2 3.82 1 3 1 100 3.38 3.41 0 0 3 50 3.079 3.11 1 3 2 3.08 0 6 2 30 2.889 2.882 3
Image
Powder diffraction data for lobanovite*. I obs. d obs. (Å...
in Lobanovite, K 2 Na( Mg 2 Na)Ti 2 (Si 4 O 12 ) 2 O 2 (OH) 4 , a new mineral of the astrophyllite supergroup and its relation to magnesioastrophyllite
> Mineralogical Magazine
Published: 01 February 2017
Table 3. Powder diffraction data for lobanovite*. I obs. d obs. (Å) d calc. (Å) h k l 80 10.1 10.22 0 0 1 60 3.80 3.83 0 4 2 3.82 1 3 1 100 3.38 3.41 0 0 3 50 3.079 3.11 1 3 2 3.08 0 6 2 30 2.889 2.882 3
Image
Powder diffraction data for lobanovite*. I obs. d obs. (Å...
in Lobanovite, K 2 Na( Mg 2 Na)Ti 2 (Si 4 O 12 ) 2 O 2 (OH) 4 , a new mineral of the astrophyllite supergroup and its relation to magnesioastrophyllite
> Mineralogical Magazine
Published: 01 February 2017
Table 3. Powder diffraction data for lobanovite*. I obs. d obs. (Å) d calc. (Å) h k l 80 10.1 10.22 0 0 1 60 3.80 3.83 0 4 2 3.82 1 3 1 100 3.38 3.41 0 0 3 50 3.079 3.11 1 3 2 3.08 0 6 2 30 2.889 2.882 3
Image
The crystal structure of lobanovite: ( a ) the HOH block viewed perpendicul...
in Lobanovite, K 2 Na( Mg 2 Na)Ti 2 (Si 4 O 12 ) 2 O 2 (OH) 4 , a new mineral of the astrophyllite supergroup and its relation to magnesioastrophyllite
> Mineralogical Magazine
Published: 01 February 2017
Fig. 1. The crystal structure of lobanovite: ( a ) the HOH block viewed perpendicular to the plane of the block [after fig. 6 a of Sokolova (2012) ]; ( b ) general view of the crystal structure of lobanovite [after fig. 2 b of Sokolova (2012) ]. The [5]-coordinated Ti polyhedra and Fe 2
Journal Article
New Mineral Names,
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 July 2017
American Mineralogist (2017) 102 (7): 1565–1571.
... This New Mineral Names has entries for 10 new minerals, including calciomurmanite, czochralskiite, erazoite, honeaite, lobanovite, magnesiovoltaite, odigitriaite, romanorlovite, tatarinovite, zincomenite, and a new data on boscardinite and partzite (discredited). I.S. Lykova, I.V. Pekov, N.V...
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.
... and classification of the astrophyllite-supergroup minerals were reconsidered by Sokolova et al . (2016b) . The Nomenclature Voting proposal 15-B – “Magnesioastrophyllite” validated under the name “lobanovite”, and astrophyllite supergroup classification – was approved by the CNMNC-IMA with the following two...
FIGURES
| View All (4)
Journal Article
Empirical Electronic Polarizabilities for Use in Refractive Index Measurements III. Structures with Short [5] Ti–O and Vanadyl Bonds
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 25 March 2021
The Canadian Mineralogist (2021) 59 (1): 107–124.
... to ∼1.69 Å and thus creates a [5] Ti–O bond, which brings the BV (O 2– ) to ∼2.0. These considerations are valid for the structures of the 12 lamprophyllite-group minerals, for schüllerite, a murmanite-group mineral, and for lobanovite, an astrophyllite-supergroup mineral ( Table 1 ). Two other...
FIGURES
| View All (5)
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.
... Fe}_{\rm 7}^{{\rm 2 +}} $ Fe 3+ 2 (Si 4 O 12 ) 2 (PO 4 ) 2 (CO 3 ) O 2 (OH) 4 □ 2 2 2 0 (8) Sveinbergeite (H 2 O) 2 [Ca(H 2 O)] ( ${\rm Fe}_{\rm 6}^{{\rm 2 +}} $ Fe 3+ ) Ti 2 (Si 4 O 12 ) 2 O 2 (OH) 4 [(OH)(H 2 O)] 1 2 2 (9) Lobanovite K 2 Na...
FIGURES
| View All (5)
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.
... .
Sokolova,
E.,
Cámara,
F.,
Hawthorne,
F.C.,
Semenov,
E.I.,
&
Ciriotti,
M.E.
(2017a)
Lobanovite, K 2 Na(Fe 2+ 4 Mg 2 Na)Ti 2 (Si 4...
FIGURES
Journal Article
New minerals and nomenclature modifications approved in 2015
Journal: Mineralogical Magazine
Published: 01 August 2015
Mineralogical Magazine (2015) 79 (4): 941–947.
... supergroup Proposal 15-B is accepted, and “magnesioastrophyllite” is validated under the name lobanovite, K 2 Na( Fe 4 2 + Mg 2 Na)Ti 2 (Si 4 O 12 ) 2 O 2 (OH) 4 . According to the new classification scheme, the astrophyllite supergroup is now divided in three groups: the astrophyllite...
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