1-20 OF 42 RESULTS FOR

cornwallite

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 June 2016
European Journal of Mineralogy (2016) 28 (3): 555–569.
...Justyna Ciesielczuk; Janusz Janeczek; Mateusz Dulski; Tomasz Krzykawski Abstract A suite of 60 mineral samples with compositions intermediate between pseudomalachite, Cu 5 (PO 4 ) 2 (OH) 4 , and its arsenate analogue cornwallite, and between kipushite, (Cu,Zn) 6 (PO 4 ) 2 (OH) 6 ·H 2 O, and its...
FIGURES | View All (10)
Journal Article
Published: 01 April 2003
American Mineralogist (2003) 88 (4): 501–508.
...Wayde N. Martens; Ray L. Frost; J. Theo Kloprogge; Peter A. Williams Abstract Molecular structures of the basic copper arsenate minerals olivenite, cornubite, cornwallite, and clinoclase were studied using a combination of infrared emission spectroscopy and Raman spectroscopy. Infrared emission...
FIGURES | View All (11)
Journal Article
Published: 01 June 1951
American Mineralogist (1951) 36 (5-6): 484–503.
...L. G. Berry Abstract Conichalcite, is orthorhombic, Pnam ; the unit cell with a = 7.40, b = 9.21, c = 5.84A contains 4[CuCaAsO 4 (OH)], calculated specific gravity, 4.33. Higginsite and some specimens of erinite give the same x -ray powder pattern as conichalcite. Cornwallite is monoclinic, P 2 1...
Image
Various typical mineral associations of the Clara deposit as discussed in t...
Published: 15 July 2019
Fig. 5. Various typical mineral associations of the Clara deposit as discussed in the text. (a) Three copper arsenates on one specimen in a nice spatial arrangement: cornwallite (left side) fracture coating, olivenite (central part), and clinoclase (right side). 10 cm. (b) Cornwallite crystals
Image
(a) Dark green <span class="search-highlight">cornwallite</span> completely replacing pre-existing euchroite crys...
Published: 01 March 2017
Fig. 4 (a) Dark green cornwallite completely replacing pre-existing euchroite crystals from the Ľubietová–Svätodušná deposit (photograph P. Škácha). (b) Complex pseudomorph of cornwallite (Corw), cornubite (Corn), and olivenite (Olv) after crystalline aggregate of euchroite from the Ľubietová
Image
Raman spectra of the pseudomalachite–<span class="search-highlight">cornwallite</span> solid solution (samples: M...
Published: 01 June 2016
Fig. 5 Raman spectra of the pseudomalachite–cornwallite solid solution (samples: M2, M9, M4). The hydroxyl region in all spectra was enlarged to better visualize components of the bands. (online version in colour)
Image
Chemical composition of the members of the pseudomalachite–<span class="search-highlight">cornwallite</span> soli...
Published: 01 September 2015
Fig. 13. Chemical composition of the members of the pseudomalachite–cornwallite solid solution from natural samples. Circles: this work; diamonds: literature data from Claringbull et al . (1959) , Lai & Li (1989) , Lai et al . (1995) , Downs (2006) , Sejkora et al . (2006) .
Image
Infrared emission spectra of the hydroxyl-stretching region of <span class="search-highlight">cornwallite</span> ...
Published: 01 April 2003
F igure 4. Infrared emission spectra of the hydroxyl-stretching region of cornwallite from 150 to 600 °C at 50 °C intervals.
Image
Infrared emission spectra of the low wavenumber region of <span class="search-highlight">cornwallite</span> from ...
Published: 01 April 2003
F igure 9. Infrared emission spectra of the low wavenumber region of cornwallite from 150 to 600 °C at 50 °C intervals.
Journal Article
Published: 01 March 2017
European Journal of Mineralogy (2017) 29 (1): 5–16.
...Fig. 4 (a) Dark green cornwallite completely replacing pre-existing euchroite crystals from the Ľubietová–Svätodušná deposit (photograph P. Škácha). (b) Complex pseudomorph of cornwallite (Corw), cornubite (Corn), and olivenite (Olv) after crystalline aggregate of euchroite from the Ľubietová...
FIGURES | View All (4)
Image
Raman spectra of the hydroxyl-stretching region of ( a ) olivenite ( b ) co...
Published: 01 April 2003
F igure 6. Raman spectra of the hydroxyl-stretching region of ( a ) olivenite ( b ) cornubite ( c ) cornwallite ( d ) clinoclase
Image
Goldhillite on the cotype specimen (#76142) from the collection of the Natu...
Published: 13 May 2022
Fig. 2. Goldhillite on the cotype specimen (#76142) from the collection of the Natural History Museum of Los Angeles County with emerald green crystals of goldhillite on botryoidal cornwallite coated with tiny crystals of conichalcite.
Image
Raman spectra of the 700 to 1200 cm −1  region of ( a ) olivenite ( b ) cor...
Published: 01 April 2003
F igure 11. Raman spectra of the 700 to 1200 cm −1 region of ( a ) olivenite ( b ) cornubite ( c ) cornwallite ( d ) clinoclase.
Image
The structures of the arsenates with infinite frameworks of tetrahedra and ...
Published: 01 January 2014
Figure 46 The structures of the arsenates with infinite frameworks of tetrahedra and Mφ N polyhedra: (a) rollandite, (b) euchroite, (c) cornwallite, (d) cornubite, (e) flinkite, (f) retzian.
Image
Summary plot of As  vs . P in atoms formula unit ( apfu ) in the pseudomala...
Published: 01 June 2016
Fig. 3 Summary plot of As vs . P in atoms formula unit ( apfu ) in the pseudomalachite–cornwallite solid solution. Symbols refer to nine samples from Miedzianka, in which 334 EPM analyses were performed. (online version in colour)
Journal Article
Published: 13 May 2022
Mineralogical Magazine (2022) 86 (3): 436–446.
...Fig. 2. Goldhillite on the cotype specimen (#76142) from the collection of the Natural History Museum of Los Angeles County with emerald green crystals of goldhillite on botryoidal cornwallite coated with tiny crystals of conichalcite. ...
FIGURES | View All (7)
Image
Various typical mineral associations of the Clara deposit as discussed in t...
Published: 15 July 2019
Fig. 6. Various typical mineral associations of the Clara deposit as discussed in the text. (a) Cornwallite “wheels” with agardite needles on goethite replacing chalcopyrite. 4 mm. (b) Reddish and orange-brown bariopharmacosiderite overgrowing and replacing scorodite crystals (hollow). 7 mm. (c
Journal Article
Published: 01 September 2015
The Canadian Mineralogist (2015) 53 (5): 937–960.
...Fig. 13. Chemical composition of the members of the pseudomalachite–cornwallite solid solution from natural samples. Circles: this work; diamonds: literature data from Claringbull et al . (1959) , Lai & Li (1989) , Lai et al . (1995) , Downs (2006) , Sejkora et al . (2006) . ...
FIGURES | View All (19)
Journal Article
Published: 01 August 1978
American Mineralogist (1978) 63 (7-8): 704–708.
.... The name honors Hatfield Goudey, a mining geologist and mineral collector of San Mateo, California. Both minerals generally occur alone on limonite-stained fracture surfaces, but other secondary minerals within several meters include divenite, clinoclase, cornwallite, strashimirite, scorodite...
Journal Article
Published: 15 July 2019
The Canadian Mineralogist (2019) 57 (4): 427–456.
...Fig. 5. Various typical mineral associations of the Clara deposit as discussed in the text. (a) Three copper arsenates on one specimen in a nice spatial arrangement: cornwallite (left side) fracture coating, olivenite (central part), and clinoclase (right side). 10 cm. (b) Cornwallite crystals...
FIGURES | View All (14)