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![The structures of (a) schulenbergite; (b) devilline; (c) campigliaite; (d) ktenasite; (e) niedermayrite.]()
![White radial groups of šlikite blade crystals in association with blue ktenasite, Plavno – Jáchymov, field of view 2.6 mm, photo J. Sejkora.]()
![Raman spectrum of the hydroxyl-stretching region of (a) cyanotrichite, (b) devilline, (c) glaucocerinite, (d) serpierite, and (e) ktenasite.]()
![Raman spectrum of the low wavenumber region of (a) cyanotrichite, (b) devilline, (c) glaucocerinite, (d) serpierite, and (e) ktenasite.]()
![Raman spectrum of the SO4-stretching region of (a) cyanotrichite, (b) devilline, (c) glaucocerinite, (d) serpierite, and (e) ktenasite.]()
![First thumbnail for: Structural interpretation of anion exchange in div...]()
![Second thumbnail for: Structural interpretation of anion exchange in div...]()
![Third thumbnail for: Structural interpretation of anion exchange in div...]()
![SEM photomicrographs: (a) initial synthetic rouaite obtained through precipitation of Cu(NO3)2 solution by hydrolysis of urea; (b) “Cu-ktenasite” obtained after three months duration of the ion-exchange reaction.]()
![SEM photomicrographs: (a) synthetic rouaite obtained through precipitation of Cu(NO3)2 solution with Na2CO3; (b) synthetic rouaite obtained through hydrolysis of urea; (c) “Cu-ktenasite”; (d) brochantite.]()
![Structures of copper hydroxysalt minerals represented by Jahn-Teller square frameworks: – hydroxide sheet projected on (001): (a) botallackite, (b) langite, (g) posnjakite; – hydroxide sheet viewed down b-axis: (c) botallackite, (d) langite, (e) rouaite, (f) “Cu-ktenasite”, (h) posnjakite.]()
![First thumbnail for: Šlikite, Zn 2 Mg(CO 3 ) 2 (OH) 2 ·4H 2 O, a new Zn...]()
![Second thumbnail for: Šlikite, Zn 2 Mg(CO 3 ) 2 (OH) 2 ·4H 2 O, a new Zn...]()
![Third thumbnail for: Šlikite, Zn 2 Mg(CO 3 ) 2 (OH) 2 ·4H 2 O, a new Zn...]()
![First thumbnail for: The synthesis of copper/zinc solid solutions of hy...]()
![The basic zinc copper sulfate minerals displayed in term of the diagram (ZnO + CuO) − SO3 − H2O. Minerals plotted: 1: osakaite, 2: namuwite, 3: ktenasite, 4: langite and wroewolfeite, 5: christelite, 6: ramsbeckite, 7: schulenbergite, 8: redgillite, 9: posnjakite, 10: brochantite, and 11: antlerite.]()
![First thumbnail for: Pauladamsite, Cu 4 (SeO 3 )(SO 4 )(OH) 4 ·2H 2 O, ...]()
![Second thumbnail for: Pauladamsite, Cu 4 (SeO 3 )(SO 4 )(OH) 4 ·2H 2 O, ...]()
![Third thumbnail for: Pauladamsite, Cu 4 (SeO 3 )(SO 4 )(OH) 4 ·2H 2 O, ...]()
![First thumbnail for: Raman spectroscopy of basic copper(II) and some co...]()
![Second thumbnail for: Raman spectroscopy of basic copper(II) and some co...]()
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![First thumbnail for: OSAKAITE, Zn 4 SO 4 (OH) 6 ·5H 2 O, A NEW MINERAL ...]()
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![First thumbnail for: Minohlite, a new copper-zinc sulfate mineral from ...]()
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1-20 OF 46 RESULTS FOR
ktenasite
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Journal Article
Ktenasite from Creede, Colorado Available to Purchase
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 April 1979
American Mineralogist (1979) 64 (3-4): 446–448.
...E. Olsen; C. F. Lewis Abstract The rare sulfate mineral ktenasite, (Cu,Zn) 3 SO4(OH) 4 ·2H 2 O, has been found coating chalcopyrite and sphalerite crystals from the Commodore Mine, Creede, Colorado. The type locality is Laurium, Greece. Copyright © 1979 by the Mineralogical Society of America...
Image
The structures of (a) schulenbergite; (b) devilline; (c) campigliaite; (d) ... Available to Purchase
Published: 01 January 2000
Figure 26. The structures of (a) schulenbergite; (b) devilline; (c) campigliaite; (d) ktenasite; (e) niedermayrite.
Image
White radial groups of šlikite blade crystals in association with blue kten... Available to Purchase
in Šlikite, Zn 2 Mg(CO 3 ) 2 (OH) 2 ·4H 2 O, a new Zn–Mg carbonate from Plavno, Jáchymov ore district, Czech Republic
> European Journal of Mineralogy
Published: 01 September 2019
Fig. 1 White radial groups of šlikite blade crystals in association with blue ktenasite, Plavno – Jáchymov, field of view 2.6 mm, photo J. Sejkora.
Image
Raman spectrum of the hydroxyl-stretching region of ( a ) cyanotrichite, ( ... Available to Purchase
in Raman spectroscopy of basic copper(II) and some complex copper(II) sulfate minerals: Implications for hydrogen bonding
> American Mineralogist
Published: 01 July 2004
F igure 2. Raman spectrum of the hydroxyl-stretching region of ( a ) cyanotrichite, ( b ) devilline, ( c ) glaucocerinite, ( d ) serpierite, and ( e ) ktenasite.
Image
Raman spectrum of the low wavenumber region of ( a ) cyanotrichite, ( b ) d... Available to Purchase
in Raman spectroscopy of basic copper(II) and some complex copper(II) sulfate minerals: Implications for hydrogen bonding
> American Mineralogist
Published: 01 July 2004
F igure 6. Raman spectrum of the low wavenumber region of ( a ) cyanotrichite, ( b ) devilline, ( c ) glaucocerinite, ( d ) serpierite, and ( e ) ktenasite.
Image
Raman spectrum of the SO 4 -stretching region of ( a ) cyanotrichite, ( b )... Available to Purchase
in Raman spectroscopy of basic copper(II) and some complex copper(II) sulfate minerals: Implications for hydrogen bonding
> American Mineralogist
Published: 01 July 2004
F igure 3. Raman spectrum of the SO 4 -stretching region of ( a ) cyanotrichite, ( b ) devilline, ( c ) glaucocerinite, ( d ) serpierite, and ( e ) ktenasite.
Journal Article
Structural interpretation of anion exchange in divalent copper hydroxysalt minerals Available to Purchase
Journal: Clay Minerals
Published: 01 March 2013
Clay Minerals (2013) 48 (1): 21–36.
... by alkalization of CuCl 2 solution through hydrolysis of MgO were small – less than 0.05 μm. The crystallization of “Cu-ktenasite” crystals at the expense of a solid precursor (CuO) led to rose-shaped aggregates of relatively large crystals ( Fig. 1c ). Fig. 1. SEM photomicrographs: (a) synthetic rouaite...
FIGURES
Image
SEM photomicrographs: (a) initial synthetic rouaite obtained through precip... Available to Purchase
in Structural interpretation of anion exchange in divalent copper hydroxysalt minerals
> Clay Minerals
Published: 01 March 2013
Fig. 4. SEM photomicrographs: (a) initial synthetic rouaite obtained through precipitation of Cu(NO 3 ) 2 solution by hydrolysis of urea; (b) “Cu-ktenasite” obtained after three months duration of the ion-exchange reaction.
Image
SEM photomicrographs: (a) synthetic rouaite obtained through precipitation ... Available to Purchase
in Structural interpretation of anion exchange in divalent copper hydroxysalt minerals
> Clay Minerals
Published: 01 March 2013
Fig. 1. SEM photomicrographs: (a) synthetic rouaite obtained through precipitation of Cu(NO 3 ) 2 solution with Na 2 CO 3 ; (b) synthetic rouaite obtained through hydrolysis of urea; (c) “Cu-ktenasite”; (d) brochantite.
Image
Structures of copper hydroxysalt minerals represented by Jahn-Teller square... Available to Purchase
in Structural interpretation of anion exchange in divalent copper hydroxysalt minerals
> Clay Minerals
Published: 01 March 2013
Fig. 7. Structures of copper hydroxysalt minerals represented by Jahn-Teller square frameworks: – hydroxide sheet projected on (001): (a) botallackite, (b) langite, (g) posnjakite; – hydroxide sheet viewed down b -axis: (c) botallackite, (d) langite, (e) rouaite, (f) “Cu-ktenasite”, (h
Journal Article
Šlikite, Zn 2 Mg(CO 3 ) 2 (OH) 2 ·4H 2 O, a new Zn–Mg carbonate from Plavno, Jáchymov ore district, Czech Republic Available to Purchase
Journal: European Journal of Mineralogy
Publisher: GeoScienceWorld Journals
Published: 01 September 2019
European Journal of Mineralogy (2019) 31 (5-6): 1047–1054.
...Fig. 1 White radial groups of šlikite blade crystals in association with blue ktenasite, Plavno – Jáchymov, field of view 2.6 mm, photo J. Sejkora. ...
FIGURES
Includes: Supplemental Content
Journal Article
The synthesis of copper/zinc solid solutions of hydroxyl carbonates, sulphates, nitrates, chlorides and bromides Available to Purchase
Journal: Mineralogical Magazine
Published: 01 October 2011
Mineralogical Magazine (2011) 75 (5): 2573–2582.
... containing hydroxyl carbonates and sulphates are well known in secondary minerals such as rosasite [(Cu,Zn) 2 (OH) 2 CO 3 ], aurichalcite [(Cu,Zn) 5 (OH) 6 (CO 3 ) 2 ], namuwite [(Cu,Zn) 4 (SO 4 )(OH) 6 ·4H 2 O] and ktenasite [(Cu,Zn) 5 (SO 4 ) 2 (OH) 6 ·6H 2 O]. These minerals contain anions...
FIGURES
Image
The basic zinc copper sulfate minerals displayed in term of the diagram (Zn... Available to Purchase
in OSAKAITE, Zn 4 SO 4 (OH) 6 ·5H 2 O, A NEW MINERAL SPECIES FROM THE HIRAO MINE, OSAKA, JAPAN
> The Canadian Mineralogist
Published: 01 December 2007
F ig . 6. The basic zinc copper sulfate minerals displayed in term of the diagram (ZnO + CuO) − SO 3 − H 2 O. Minerals plotted: 1: osakaite, 2: namuwite, 3: ktenasite, 4: langite and wroewolfeite, 5: christelite, 6: ramsbeckite, 7: schulenbergite, 8: redgillite, 9: posnjakite, 10: brochantite
Journal Article
Pauladamsite, Cu 4 (SeO 3 )(SO 4 )(OH) 4 ·2H 2 O, a new mineral from the Santa Rosa mine, Darwin district, California, USA Available to Purchase
Journal: Mineralogical Magazine
Published: 01 October 2016
Mineralogical Magazine (2016) 80 (6): 949–958.
..., gypsum, ktenasite, mimetite, schulenbergite and smithsonite on limonitic gossan. Pauladamsite forms green, multiply twinned blades up to 0.5 mm long grouped in radial sprays. The streak is pale green. Crystals are transparent and have vitreous to silky lustre. The Mohs hardness is ∼2, the tenacity...
FIGURES
Journal Article
Raman spectroscopy of basic copper(II) and some complex copper(II) sulfate minerals: Implications for hydrogen bonding Available to Purchase
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 July 2004
American Mineralogist (2004) 89 (7): 1130–1137.
...F igure 2. Raman spectrum of the hydroxyl-stretching region of ( a ) cyanotrichite, ( b ) devilline, ( c ) glaucocerinite, ( d ) serpierite, and ( e ) ktenasite. ...
FIGURES
Journal Article
The crystal structure of wroewolfeite, a mineral with [Cu 4 (OH) 6 (SO 4 )(H 2 O)] sheets Available to Purchase
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 October 1985
American Mineralogist (1985) 70 (9-10): 1050–1055.
..., ktenasite, serpiente, devillite. The intra-module linkages and hydration states in these minerals may be interpreted in terms of the Lewis basicity/acidity of structural fragments. Copyright © 1985 by the Mineralogical Society of America 1985 ...
Journal Article
OSAKAITE, Zn 4 SO 4 (OH) 6 ·5H 2 O, A NEW MINERAL SPECIES FROM THE HIRAO MINE, OSAKA, JAPAN Available to Purchase
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 01 December 2007
The Canadian Mineralogist (2007) 45 (6): 1511–1517.
...F ig . 6. The basic zinc copper sulfate minerals displayed in term of the diagram (ZnO + CuO) − SO 3 − H 2 O. Minerals plotted: 1: osakaite, 2: namuwite, 3: ktenasite, 4: langite and wroewolfeite, 5: christelite, 6: ramsbeckite, 7: schulenbergite, 8: redgillite, 9: posnjakite, 10: brochantite...
FIGURES
Journal Article
Minohlite, a new copper-zinc sulfate mineral from Minoh, Osaka, Japan Available to Purchase
Journal: Mineralogical Magazine
Published: 01 April 2013
Mineralogical Magazine (2013) 77 (3): 335–342.
... hydrothermal alteration. The predominant ore
mineral is sphalerite with lesser amounts of chalcopyrite, pyrite and galena distributed throughout the altered shale. In the oxidized zone of the deposit, rare Cu- and/or Zn-dominant secondary minerals such as brianyoungite ( Ohnishi et al. , 2001 ), ktenasite...
FIGURES
Journal Article
Japan Association of Mineralogical Sciences Free
Journal: Elements
Publisher: Mineralogical Society of America
Published: 01 October 2024
Elements (2024) 20 (5): 344.
... on zeolites in gastropod fossils in Miocene sediments in Minamisoma, Fukushima, Japan. Atsushi ISHIHARA, Hiroaki OHFUJI Asagiite, NiCu4(SO4)2(OH)6·6H2O, a new member of the ktenasite group from the Nakauri mine, Shinshiro City, Aichi Prefecture, Japan. Daisuke NISHIOHAMANE, Takeshi YAJIMA, Norimasa...
Journal Article
Beaverite from Cumbria and Yorkshire Available to Purchase
Publisher: Geological Society of London
Published: 01 November 2006
Proceedings of the Yorkshire Geological Society (2006) 56 (2): 155–158.
... are few. Beaverite occurs with gypsum, malachite, namuwite, schulenbergite, serpierite and the zinc analogue of ktenasite in mineral assemblages generated by post-mining oxidation at Smallcleugh and Brownley Hill mines, Nenthead, Cumbria ( Livingstone 1991 ). It occurs as yellow powdery encrustations...
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