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![The inter-tetrahedral O3-O4-O3 angle in P63 davyne (left) is symmetry-induced to O3-O3-O3 = 180° in P63/m davyne (right), for the presence of mirror planes at z = 0.25 and 0.75.]()
![(top) Schematic view of the Na-H2O and Ca-Cl chains in the columns of can units of cancrinite- and davyne-subgroup minerals, respectively. (bottom) Cage-Na+ (left) and cage-Ca2+ (right) coordination environments in cancrinite and davyne, respectively. Dashed lines represent mutually exclusive bonds.]()
![Powder infrared absorption spectra of (a) betzite and (b) davyne (a sample close to endmember davyne with the empirical formula Na5.4Ca2.0K0.8(Si6.1Al5.9O24)Cl2.0(SO4)1.1(OH,H2O)∼0.1 and crystal chemical formula [Ca2Cl2][Na5.2K0.8(SO4)1.0][Si6Al6O24]: Rozenberg et al. 2009) from the Sar-e Sang gem lazurite deposit, Afghanistan.]()
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![Relationships among the unit cell of (a) davyne, (b) microsommite and (c) quadridavyne, as seen along [001].]()
![Wavenumbers of absorption maxima of the bands νI and νIII in IR spectra of cancrinite solid-solution (A), H2O-poor cancrinite (B), cancrisilite (C), kyanoxalite and C2O4-rich members of the cancrinite–kyanoxalite series (D), hydroxycancrinite and a CO3-poor member of the cancrinite– hydroxycancrinite series (E), depmeierite (F), vishnevite (G), pitiglianoite (H), balliranoite and CO3-rich members of the davyne–balliranoite series (I), davyne (J), and quadridavyne (K).]()
![IR spectra (relative absorption vs. wavenumber) of balliranoite (a) and davyne from Sar-e Sang, Afghanistan (b).]()
![Plot of Ca – Na – K in cationic contents, for the analyses of “cavolinite” samples. (▪): samples with a quadridavyne-like composition, (•): samples with a davyne-like composition.]()
![The pressure-induced evolution of the unit-cell volume, and a and c cell edges of cancrinite (Lotti et al. 2012), vishnevite (Lotti 2014), balliranoite (Lotti et al. 2014b), and davyne (Lotti et al. 2014a).]()
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![First thumbnail for: Balliranoite, (Na,K) 6 Ca 2 (Si 6 Al 6 O 24 )Cl 2 ...]()
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![Plot of Na versus K cations per formula unit, showing the variations of cationic distribution in selected “cavolinite” samples with a quadridavyne-like composition (Cavo 1, 7, 17) and with a davyne-like composition (Cavo 6, 9, 14).]()
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Journal Article
Modular Microporous Minerals: Cancrinite-Davyne Group and C-S-H Phases Available to Purchase
Publisher: Mineralogical Society of America
Published: 01 January 2005
Reviews in Mineralogy and Geochemistry (2005) 57 (1): 241–290.
... groups is the modular character of their frameworks, which are built up through various stacking ways of a single module (as in the minerals of the cancrinite-davyne family) and two or more modules as in the case of the C-S-H phases. The minerals belonging to the cancrinite group ( Merlino 1984...
FIGURES
Journal Article
The mineralogical status of “cavolinite” from Vesuvius, Italy, and crystallochemical data on the davyne subgroup Available to Purchase
Journal: European Journal of Mineralogy
Publisher: GeoScienceWorld Journals
Published: 01 May 2004
European Journal of Mineralogy (2004) 16 (3): 511–520.
... the specimens belong to the davyne subgroup of the cancrinite group. However, among the investigated samples, two populations of “cavolinite” are distinguishable. “Cavolinite” crystals lining small vugs exhibit a prismatic habit, have a chemical composition with about 3.3 C1 per formula unit, and are poor...
FIGURES
Journal Article
Carbonate groups in davyne; structural and crystal-chemical considerations Available to Purchase
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 01 October 1998
The Canadian Mineralogist (1998) 36 (5): 1285–1292.
Journal Article
Structure of davyne and implications for stacking faults Available to Purchase
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 01 June 1990
The Canadian Mineralogist (1990) 28 (2): 341–349.
Journal Article
Liottite, a new mineral in the cancrinite-davyne group Available to Purchase
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 April 1977
American Mineralogist (1977) 62 (3-4): 321–326.
Image
The inter-tetrahedral O3-O4-O3 angle in P 6 3 davyne ( left ) is symmetry... Available to Purchase
in Cancrinite-group minerals: Crystal-chemical description and properties under non-ambient conditions—A review
> American Mineralogist
Published: 01 February 2016
Figure 5 The inter-tetrahedral O3-O4-O3 angle in P 6 3 davyne ( left ) is symmetry-induced to O3-O3-O3 = 180° in P 6 3 / m davyne ( right ), for the presence of mirror planes at z = 0.25 and 0.75.
Image
( top ) Schematic view of the Na-H 2 O and Ca-Cl chains in the columns of ... Available to Purchase
in Cancrinite-group minerals: Crystal-chemical description and properties under non-ambient conditions—A review
> American Mineralogist
Published: 01 February 2016
Figure 2 ( top ) Schematic view of the Na-H 2 O and Ca-Cl chains in the columns of can units of cancrinite- and davyne-subgroup minerals, respectively. ( bottom ) Cage-Na + ( left ) and cage-Ca 2+ ( right ) coordination environments in cancrinite and davyne, respectively. Dashed lines
Image
![Powder infrared absorption spectra of (a) betzite and (b) davyne (a sample close to endmember davyne with the empirical formula Na5.4Ca2.0K0.8(Si6.1Al5.9O24)Cl2.0(SO4)1.1(OH,H2O)∼0.1 and crystal chemical formula [Ca2Cl2][Na5.2K0.8(SO4)1.0][Si6Al6O24]: Rozenberg et al. 2009) from the Sar-e Sang gem lazurite deposit, Afghanistan.](https://gsw.silverchair-cdn.com/gsw/Content_public/Journal/cjmp/61/1/10.3749_2200039/2/s_i2817-1713-61-1-177-f03.png?Expires=2147483647&Signature=nK4EOEz2dFFtQXcuk~QSvmBUNTKVaDyd0rvK5FOjZ2GLrLh-1s7NhPWxMFW2JIZI~3~65Vu20axD8jDd67JOcD90YHqd8sDPnzXGeBN~4GmtpcyHYW5F6TZ3kAi6uMiuAoDRQ7rhFrEXDPbt5LHWclDA8jQnwGzP8B0i8CUXZ2X28x0Ppaa3XELtdDMj6CMsRUZv7n~g6ZvzFa9asylsQLr24nJocmPa8eBtL57G87xLGNQItAWn3j5bGUGXZd9ZxLsr-q42csik3mzVb6qKbvkIS5ZyK7WMbQsBpysowgfW7QZ8rOlNgIDbEEEQvVXHcCW6sK00z6p5ZxcYckNe6A__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA)
Powder infrared absorption spectra of (a) betzite and (b) davyne (a sample ... Available to Purchase
in Betzite, Na 6 Ca 2 (Al 6 Si 6 O 24 )Cl 4 , a New Cancrinite-Group Mineral from the Eifel Paleovolcanic Region, Germany
> The Canadian Journal of Mineralogy and Petrology
Published: 10 March 2023
Fig. 3. Powder infrared absorption spectra of (a) betzite and (b) davyne (a sample close to endmember davyne with the empirical formula Na 5.4 Ca 2.0 K 0.8 (Si 6.1 Al 5.9 O 24 )Cl 2.0 (SO 4 ) 1.1 (OH,H 2 O) ∼0.1 and crystal chemical formula [Ca 2 Cl 2 ][Na 5.2 K 0.8 (SO 4 ) 1.0 ][Si 6 Al 6 O 24
Journal Article
Cancrinite-group minerals: Crystal-chemical description and properties under non-ambient conditions—A review Available to Purchase
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 February 2016
American Mineralogist (2016) 101 (2): 253–265.
...Figure 5 The inter-tetrahedral O3-O4-O3 angle in P 6 3 davyne ( left ) is symmetry-induced to O3-O3-O3 = 180° in P 6 3 / m davyne ( right ), for the presence of mirror planes at z = 0.25 and 0.75. ...
FIGURES
Image
![Relationships among the unit cell of (a) davyne, (b) microsommite and (c) quadridavyne, as seen along [001].](https://gsw.silverchair-cdn.com/gsw/Content_public/Journal/rimg/57/1/10.2138_rmg.2005.57.8/3/s_0241f04.jpeg?Expires=2147483647&Signature=JuvBKISeTcIl2IGZt4ohCsrK2qIT0ArEpcbRCK~GWPGKHctOSmrUhNQEHuxr4~uqnUhJ7a2lorPC8NxCvhUvOng6Y4UBmEd6FWjMVJACufTeykTWIZaAHid8m~Pt0jUtLYYwd5rT~uW0gjirKH9of4iU3Me6fIXjn~6KTmI4JmVayYt82pfVLvISv8-5S3DavoyTVjP-Ss0Vqbwk2LbCzsK4buTbKUAUBSobuboFHwiCRBo0iCocBTPjZ6mXn~4gV7FYA5Z369FZ3miHSdknGu5sh6JNWFwXD0FaD6pXAAqNHu6SDryLJ6cKoOhQhA~0j0zDbd~gbdz-3zK4sW6lbg__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA)
Relationships among the unit cell of (a) davyne, (b) microsommite and (c) q... Available to Purchase
in Modular Microporous Minerals: Cancrinite-Davyne Group and C-S-H Phases
> Reviews in Mineralogy and Geochemistry
Published: 01 January 2005
Figure 4. Relationships among the unit cell of (a) davyne, (b) microsommite and (c) quadridavyne, as seen along [001].
Image
Wavenumbers of absorption maxima of the bands ν I and ν III in IR spectra... Available to Purchase
in CRYSTAL CHEMISTRY OF CANCRINITE-GROUP MINERALS WITH AN AB -TYPE FRAMEWORK: A REVIEW AND NEW DATA. II. IR SPECTROSCOPY AND ITS CRYSTAL-CHEMICAL IMPLICATIONS
> The Canadian Mineralogist
Published: 01 October 2011
of the cancrinite– hydroxycancrinite series (E), depmeierite (F), vishnevite (G), pitiglianoite (H), balliranoite and CO 3 -rich members of the davyne–balliranoite series (I), davyne (J), and quadridavyne (K).
Image
IR spectra (relative absorption vs. wavenumber) of balliranoite (a) and d... Available to Purchase
in Balliranoite, (Na,K) 6 Ca 2 (Si 6 Al 6 O 24 )Cl 2 (CO 3 ), a new cancrinite-group mineral from Monte Somma – Vesuvio volcanic complex, Italy
> European Journal of Mineralogy
Published: 01 January 2010
Fig. 2. IR spectra (relative absorption vs. wavenumber) of balliranoite (a) and davyne from Sar-e Sang, Afghanistan (b).
Image
Plot of Ca – Na – K in cationic contents, for the analyses of “cavolinite” ... Available to Purchase
in The mineralogical status of “cavolinite” from Vesuvius, Italy, and crystallochemical data on the davyne subgroup
> European Journal of Mineralogy
Published: 01 May 2004
Fig. 5. Plot of Ca – Na – K in cationic contents, for the analyses of “cavolinite” samples. (▪): samples with a quadridavyne-like composition, (•): samples with a davyne-like composition.
Image
The pressure-induced evolution of the unit-cell volume, and a and c cel... Available to Purchase
in Cancrinite-group minerals: Crystal-chemical description and properties under non-ambient conditions—A review
> American Mineralogist
Published: 01 February 2016
Figure 4 The pressure-induced evolution of the unit-cell volume, and a and c cell edges of cancrinite ( Lotti et al. 2012 ), vishnevite ( Lotti 2014 ), balliranoite ( Lotti et al. 2014b ), and davyne ( Lotti et al. 2014a ).
Journal Article
An Experimental Study of Chlorine Incorporation in Amphibole Synthesized Along the Pargasite–ferro-pargasite Join Available to Purchase
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 01 May 2017
The Canadian Mineralogist (2017) 55 (3): 419–436.
... plagioclase and Ca-rich clinopyroxene with minor davyne in some syntheses. At any given bulk composition, amphiboles increase in Cl content with increasing brine concentrations, reaching a plateau in brines of about 0.1–0.2 mole fraction of NaCl ( X NaCl , or 5–15 m NaCl). Amphiboles synthesized in brines...
FIGURES
Journal Article
Crystal-chemical and structural characterization of fluorapatites in ejecta from Somma-Vesuvius volcanic complex Available to Purchase
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 November 2011
American Mineralogist (2011) 96 (11-12): 1828–1837.
...); aggregates of davyne, nepheline, mica group minerals, and apatite (type 5). Chemical analyses of apatites show variable amounts of Na, REE, Mg, Sr, and Fe replacing Ca, not negligible amounts of Si and S substituting P, and a significant substitution of Cl and OH instead of F. Five crystals representative...
FIGURES
Journal Article
CRYSTAL CHEMISTRY OF CANCRINITE-GROUP MINERALS WITH AN AB -TYPE FRAMEWORK: A REVIEW AND NEW DATA. I. CHEMICAL AND STRUCTURAL VARIATIONS Available to Purchase
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 01 October 2011
The Canadian Mineralogist (2011) 49 (5): 1129–1150.
... and discussed. The total number of chemically studied samples is 360 (our data and literature data): cancrinite 192 and 35, vishnevite 21 and 13, cancrisilite 19 and 10, kyanoxalite and oxalate-rich intermediate members of the cancrinite– kyanoxalite series 12 and 0, davyne 10 and 23, depmeierite 2 and 0...
FIGURES
Journal Article
CRYSTAL CHEMISTRY OF CANCRINITE-GROUP MINERALS WITH AN AB -TYPE FRAMEWORK: A REVIEW AND NEW DATA. II. IR SPECTROSCOPY AND ITS CRYSTAL-CHEMICAL IMPLICATIONS Available to Purchase
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 01 October 2011
The Canadian Mineralogist (2011) 49 (5): 1151–1164.
... of the cancrinite– hydroxycancrinite series (E), depmeierite (F), vishnevite (G), pitiglianoite (H), balliranoite and CO 3 -rich members of the davyne–balliranoite series (I), davyne (J), and quadridavyne (K). ...
FIGURES
Journal Article
Balliranoite, (Na,K) 6 Ca 2 (Si 6 Al 6 O 24 )Cl 2 (CO 3 ), a new cancrinite-group mineral from Monte Somma – Vesuvio volcanic complex, Italy Available to Purchase
Journal: European Journal of Mineralogy
Publisher: GeoScienceWorld Journals
Published: 01 January 2010
European Journal of Mineralogy (2010) 22 (1): 113–119.
...Fig. 2. IR spectra (relative absorption vs. wavenumber) of balliranoite (a) and davyne from Sar-e Sang, Afghanistan (b). ...
FIGURES
Image
Plot of Na versus K cations per formula unit, showing the variations of c... Available to Purchase
in The mineralogical status of “cavolinite” from Vesuvius, Italy, and crystallochemical data on the davyne subgroup
> European Journal of Mineralogy
Published: 01 May 2004
Fig. 7. Plot of Na versus K cations per formula unit, showing the variations of cationic distribution in selected “cavolinite” samples with a quadridavyne-like composition (Cavo 1, 7, 17) and with a davyne-like composition (Cavo 6, 9, 14).
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