1-20 OF 59 RESULTS FOR

urusovite

Results shown limited to content with bounding coordinates.
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Article
Published: 01 September 2000
European Journal of Mineralogy (2000) 12 (5): 1041–1044.
...Lidiya P. VERGASOVA; Stanislav K. FILATOV; Marina G. GORSKAYA; Alexey A. MOLCHANOV; Sergey V. KRIVOVICHEV; Vladimir V. ANANIEV Abstract Urusovite, ideally Cu[AlAsO 5 ], has been found in a fumarole in the North Breach of the great fissure Tolbachik eruption (1975-76, Kamchatka peninsula, Russia...
FIGURES
Image
Pseudomorphs of ericlaxmanite after <span class="search-highlight">urusovite</span>: ( a ) fragment of <span class="search-highlight">urusovite</span> ...
Published: 01 December 2014
F ig . 5. Pseudomorphs of ericlaxmanite after urusovite: ( a ) fragment of urusovite crystal crust replaced by ericlaxmanite; ( b ) lamellar crystals of ericlaxmanite on the surface of a pseudomorph. SEM (SE) images.
Image
( a ) Overgrowth of a crystal cluster of <span class="search-highlight">urusovite</span> (grey) by an ericlaxmani...
Published: 01 December 2014
F ig . 6. ( a ) Overgrowth of a crystal cluster of urusovite (grey) by an ericlaxmanite crust (white) and ( b ) overgrowth (with partial replacement) of alarsite (1) by urusovite (2) and later ericlaxmanite (3). Polished sections, SEM (BSE) images.
Image
Crystallization sequence of different arsenates and As-bearing potassic fel...
Published: 01 March 2018
Fig. 8 Crystallization sequence of different arsenates and As-bearing potassic feldspar: (a) As-rich (16 wt% As 2 O 5 ) potassic feldspar (As-KFs) overgrowing As-poor (<2 wt.% As 2 O 5 ) potassic feldspar (KFs), with tilasite (Tls) and sylvite (Slv); (b) alarsite (Als) surrounded by urusovite
Image
Partial pseudomorphs of deep green to dark green ericlaxmanite after crysta...
Published: 01 December 2014
F ig . 1. Partial pseudomorphs of deep green to dark green ericlaxmanite after crystal crusts of urusovite with bright, grass green kozyrevskite, light blue urusovite relics and white crusts of As-bearing orthoclase on volcanic scoria. Field of view: 5.75 mm across. Photo: I.V. Pekov and A.V
Image
Electron-microprobe analyses of <span class="search-highlight">urusovite</span> (wt. %).
Published: 01 September 2000
Table 1. Electron-microprobe analyses of urusovite (wt. %).
Image
X-ray powder diffraction pattern of <span class="search-highlight">urusovite</span>.
Published: 01 September 2000
Table 2. X-ray powder diffraction pattern of urusovite.
Image
The crystal morphology of <span class="search-highlight">urusovite</span> (a) and its optical orientation (b).
Published: 01 September 2000
Fig. 1. The crystal morphology of urusovite (a) and its optical orientation (b).
Journal Article
Published: 01 December 2014
Mineralogical Magazine (2014) 78 (7): 1553–1569.
...F ig . 5. Pseudomorphs of ericlaxmanite after urusovite: ( a ) fragment of urusovite crystal crust replaced by ericlaxmanite; ( b ) lamellar crystals of ericlaxmanite on the surface of a pseudomorph. SEM (SE) images. ...
FIGURES | View All (12)
Journal Article
Published: 01 August 2001
The Canadian Mineralogist (2001) 39 (4): 1115–1119.
..., urusovite, orthoclase and johillerite. The mineral has an adamantine luster and a light blue to white streak. No cleavage has been observed. The mineral is transparent, biaxial, optically negative, α 1.76(1), β 1.92(1), γ 1.96(1), 2 V calc 50.0°. The optical orientation is Z = b , X ∧ c = 23° in the obtuse...
FIGURES
Image
Partial pseudomorph of green ericlaxmanite after light blue (turquoise) uru...
Published: 01 December 2014
F ig . 4. Partial pseudomorph of green ericlaxmanite after light blue (turquoise) urusovite forming a crystal crust on volcanic scoria. Field of view: 9 mm across. Photo: I.V. Pekov and A.V. Kasatkin.
Image
Tetrahedral [AlAsO 5 ] sheet in the structure of <span class="search-highlight">urusovite</span>, CuAlAsO 5 , vie...
Published: 01 May 2004
Fig. 3. Tetrahedral [AlAsO 5 ] sheet in the structure of urusovite, CuAlAsO 5 , viewed from the top (a) and parallel to the sheet extension (b). Legend: AlO 4 tetrahedra = grey, AsO 4 tetrahedra = cross-hatched.
Image
The structures of arsenates with infinite sheets of tetrahedra: (a) duggani...
Published: 01 January 2014
Figure 35 The structures of arsenates with infinite sheets of tetrahedra: (a) dugganite, (b) bergslagite, (c) kolicite, (d) tetrahedral sheets in the structure of sabelliite, the dark polyhedra are the (As 5+ ,Sb 5+ ) tetrahedra or trigonal pyramids of Olmi et al. (1995) ; (e) urusovite.
Image
Numerous grass-green prismatic crystals and crystal clusters of kozyrevskit...
Published: 01 December 2014
F ig . 7. Numerous grass-green prismatic crystals and crystal clusters of kozyrevskite with light blue urusovite and iron-black hematite on a crust consisting of colourless langbeinite and white As-bearing orthoclase. Field of view: 2.8 mm across. Photo: I.V. Pekov and A.V. Kasatkin.
Journal Article
Published: 24 November 2020
The Canadian Mineralogist (2020) 58 (5): 625–636.
..., anglesite, langbeinite, calciolangbeinite, metathénardite, belomarinaite, aphthitalite, krasheninnikovite, steklite, anhydrite, hematite, tenorite, sanidine, sylvite, halite, lammerite, urusovite, and gold. Eleomelanite occurs as interrupted crusts up to 6 mm across and up to 0.3 mm thick consisting...
FIGURES | View All (7)
Journal Article
Published: 22 May 2020
Mineralogical Magazine (2020) 84 (4): 616–622.
..., fluorophlogopite, fluoborite, tilasite, anhydrite, pseudobrookite, sylvite, halite, lammerite, urusovite, ericlaxmanite, arsmirandite, svabite, krasheninnikovite, euchlorine, wulffite and alumoklyuchevskite. Badalovite forms oblique-angled prismatic crystals up to 1 mm × 1 mm × 5 mm, typically combined in groups...
FIGURES | View All (5)
Journal Article
Published: 01 January 2019
European Journal of Mineralogy (2019) 31 (1): 159–166.
..., urusovite, bradaczekite, filatovite, hatertite, hematite, tenorite and wrightite. The mineral is named in honour of the Russian scholar Dr. Nina Aleksandrovna Ozerova (1930–2012), for her contributions to geochemistry, geology, metallogeny, ecology and the eco-geochemistry of mercury. Powder X-ray...
FIGURES | View All (5)
Journal Article
Published: 01 March 2018
European Journal of Mineralogy (2018) 30 (2): 305–322.
...Fig. 8 Crystallization sequence of different arsenates and As-bearing potassic feldspar: (a) As-rich (16 wt% As 2 O 5 ) potassic feldspar (As-KFs) overgrowing As-poor (<2 wt.% As 2 O 5 ) potassic feldspar (KFs), with tilasite (Tls) and sylvite (Slv); (b) alarsite (Als) surrounded by urusovite...
FIGURES | View All (9)
Journal Article
Published: 01 February 2015
Mineralogical Magazine (2015) 79 (1): 133–143.
... Breakthrough of the Great Tolbachik Fissure Eruption, Tolbachik volcano, Kamchatka, Russia. It is associated with ericlaxmanite, kozyrevskite, urusovite, lammerite, lammerite-β, johillerite, bradaczekite, tenorite, hematite, aphthitalite, anhydrite, langbeinite, calciolangbeinite, As-bearing orthoclase, etc...
FIGURES | View All (7)
Image
Typical associations of copper arsenates overgrowing crusts of colourless a...
Published: 01 February 2015
F ig . 1. Typical associations of copper arsenates overgrowing crusts of colourless aphthitalite covering basalt scoria in the Arsenatnaya fumarole: 1 – olive-green to dark olive-green popovite, 2 – grass-green kozyrevskite, 3 – deep-green ericlaxmanite, 4 – light-blue urusovite, 5 – deep