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volkovskite

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Journal Article
Published: 01 February 2013
The Canadian Mineralogist (2013) 51 (1): 157–169.
...Rémy S. Poulin; Joel D. Grice Abstract Volkovskite [KCa 4 B 22 O 32 (OH) 10 Cl·4H 2 O] has been identified among numerous borate minerals obtained from potash deposits in New Brunswick. The crystals are vitreous, translucent, and colorless, varying from pale to deep orange. The crystals possess...
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Journal Article
Published: 01 June 1990
The Canadian Mineralogist (1990) 28 (2): 351–356.
Journal Article
Published: 01 October 2005
The Canadian Mineralogist (2005) 43 (5): 1469–1487.
..., trembathite, veatchite, volkovskite et walkerite. De plus, 41 espèces autres que les borates ont été identifiées, y inclus magnésite, monohydrocalcite, sellaïte, kieserite et fluorite. Les assemblages de borates dans les deux gisements diffèrent, et dans chacun, il y a une zonation stratigraphique...
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Journal Article
Published: 01 June 2008
The Canadian Mineralogist (2008) 46 (3): 671–677.
..., hilgardite, volkovskite, hydroboracite, walkerite and pringleite. Electron-microprobe analysis, supported by a single-crystal analysis of its structure, yielded: MgO 47.92 (46.28–48.71), FeO 0.74 (0.22–3.05), MnO 0.04 (0.00–0.08), (ideal B 2 O 3 ) 41.77 and (ideal H 2 O) 10.81, for a total of 101.18 wt...
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Journal Article
Published: 01 June 2005
The Canadian Mineralogist (2005) 43 (3): 1019–1026.
..., sylvite, hilgardite, volkovskite and trembathite. Electron-microprobe analysis, supported by a single-crystal analysis of its structure, yield: CaO 7.47 (6.66–8.10), SrO 12.23 (11.30–13.69), (B 2 O 3 ) 61.22 and (H 2 O) 18.10, for a total of 99.02 wt.%. The empirical formula, based on 31 anions, is Ca...
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Journal Article
Published: 01 December 2002
The Canadian Mineralogist (2002) 40 (6): 1675–1686.
... Brunswick. It occurs in the Upper Halite Member of the Windsor Group evaporites, associated with halite, hydroboracite, hilgardite, volkovskite, boracite, szaibelyite, a mica-group mineral and anhydrite. The crystals of walkerite are colorless to white, fibrous to acicular, commonly forming bundles...
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Image
Structure topologies of <span class="search-highlight">volkovskite</span> (a) and veatchite-1 A  (b). The topolog...
Published: 01 February 2013
Fig. 6 Structure topologies of volkovskite (a) and veatchite-1 A (b). The topologies only show large, low-valence cations and boron atoms.
Image
Structure topologies of <span class="search-highlight">volkovskite</span> (a) and veatchite-1 A  (b). The topolog...
Published: 01 February 2013
Fig. 6 Structure topologies of volkovskite (a) and veatchite-1 A (b). The topologies only show large, low-valence cations and boron atoms.
Image
Net topology diagram for ( a ) <span class="search-highlight">volkovskite</span> and ( b ) veatchite-1 A . The la...
Published: 01 April 2012
Figure 4 Net topology diagram for ( a ) volkovskite and ( b ) veatchite-1 A . The layer type, A or B , is indicated as is the directional aspect, + for up and − for down.
Image
Photograph of <span class="search-highlight">volkovskite</span> in subparallel plates measuring 3 mm across, from...
Published: 01 October 2005
F ig . 16. Photograph of volkovskite in subparallel plates measuring 3 mm across, from the Penobsquis deposit. Photograph by Q. Wight.
Image
<span class="search-highlight">Volkovskite</span>: a [001] projection showing the borate layering of triangular a...
Published: 01 February 2013
Fig. 3 Volkovskite: a [001] projection showing the borate layering of triangular and tetrahedral polyhedra. Between the borate sheets and Ca atoms is a layer of Cl atoms (large green circles), K atoms (small yellow circles), and H 2 O groups (medium sized red circles).
Image
<span class="search-highlight">Volkovskite</span>: a [001] projection showing the intra-layered H 2 O groups (OW4...
Published: 01 February 2013
Fig. 4 Volkovskite: a [001] projection showing the intra-layered H 2 O groups (OW43 & OW43) part of the K polyhedra. Note that there is an H-bond for one H atom and not for the other for both water groups.
Image
<span class="search-highlight">Volkovskite</span>: a [001] projection showing the inter-layered H 2 O group (OW46...
Published: 01 February 2013
Fig. 5 Volkovskite: a [001] projection showing the inter-layered H 2 O group (OW46). This inter-layered H 2 O group is firmly anchored with H-bonds for both H atoms in comparison to the intra-layered H 2 O groups.
Journal Article
Published: 01 April 2012
American Mineralogist (2012) 97 (4): 489–495.
...Figure 4 Net topology diagram for ( a ) volkovskite and ( b ) veatchite-1 A . The layer type, A or B , is indicated as is the directional aspect, + for up and − for down. ...
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Journal Article
Published: 01 April 2014
Mineralogical Magazine (2014) 78 (2): 235–252.
..., sylvite, volkovskite, boracite and anhydrite. There are four species in the hilgardite group and hilgardite (Ca 2 B 5 O 9 Cl·H 2 O) itself has three polytypes. In the literature there is no problem with species designation. Problems do arise in the naming of the polytypes as originally they were...
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Journal Article
Published: 01 September 2015
The Canadian Mineralogist (2015) 53 (5): 803–820.
...)](H 2 O), veatchite, Sr 2 (B(OH) 3 )[B 5 O 8 (OH)] 2 (H 2 O), gowerite, Ca(B(OH) 3 )[B 5 O 8 (OH)](H 2 O), and volkovskite, KCa 4 (B(OH) 3 ) 2 [B 5 O 8 (OH)] 4 (H 2 O) 4 . In these structures, the <2Δ□>–<Δ2□> FBBs link to form [B 5 O 8 (OH)] sheets ( Hawthorne et al . 2002 ). The <2Δ...
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Journal Article
Published: 01 November 2003
American Mineralogist (2003) 88 (11-12): 1836–1840.
...), and 2.570(30,610,550). The mineral is associated with halite, hydroboracite, boracite, hilgardite, volkovskite, szaibelyite, and anhydrite in drill core from Mississippian evaporites in a potash mine near Penobsquis, Kings County, New Brunswick. The new mineral name is for Canadian geologist T.L. Walker...
Journal Article
Published: 01 October 2003
The Canadian Mineralogist (2003) 41 (5): 1309–1319.
.... Locality : The Potash Corporation of Saskatchewan (New Brunswick Division) mine, 5 km east of Penobsquis, Sussex area, Cardwell Parish, Kings County, New Brunswick, Canada. Occurrence : In halite drill-core. Associated minerals are: halite, hydroboracite, hilgardite, volkovskite, boracite...
Journal Article
Published: 01 July 2024
American Mineralogist (2024) 109 (7): 1258–1265.
... coexists with other borates (e.g., borax, boracite, colemanite, inderite, inyoite, kurnakovite, pinnoite, preobrazhenskite, tiretskite, ulexite, volkovskite), sulfates (e.g., anhydrite, celestine, gypsum, thénardite, vanthoffite), halides-fluorides, carbonates (e.g., aragonite, calcite, dolomite...
FIGURES
Journal Article
Published: 01 August 2018
American Mineralogist (2018) 103 (8): 1306–1318.
... of the Chemical Bond and the Structure Of Molecules And Crystals: An introduction to modern structural chemistry, 3rd ed . Cornell University Press , Ithaca . Poulin , R.S. , and Grice , J.D. ( 2013 ) Volkovskite, a complex borate mineral: Refined crystallographic data and optics . Canadian...
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