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magnesiokatophorite

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Book Chapter

Richterite–Ferrorichterite(Na,K)CaNa(Mg,Al,Fe 2+ ,Mn) 5 [Si 8 O 22 ](OH) 2 : Magnesiokatophorite–Katophorite (Na,K)CaNa(Mg,Fe 2+ ) 4 Al[Si 7 AlO 22 ](OH) 2

Author(s)
W. A. Deer, FRS, R. A. Howie, J. Zussman
Book: An Introduction to the Rock-Forming Minerals
Publisher: Mineralogical Society of Great Britain and Ireland
Published: 01 January 2013
EISBN: 9780903056434
...) for magnesiokatophorite; γ = y , O.A.P. ⊥(010) for katophorite D (g/cm 3 ) 2.97—3.45 3.20—3.50 H 5—6 5—6 Cleavage {110} perfect; {100}, {001} partings; (110):(1ī0) ~ 56º Twinning {100} simple, lamellar {100} Colour Brown, yellow, brownish red, pale to dark green; colourless, pale yellow...
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Lattice fringe image of a thick <span class="search-highlight">magnesiokatophorite</span> lamella exsolved in ede...

Lattice fringe image of a thick magnesiokatophorite lamella exsolved in ede...

Published: 01 July 2007
Fig. 9. Lattice fringe image of a thick magnesiokatophorite lamella exsolved in edenite. The lamella, richer in Na, appears more damaged by the electron beam. The image is viewed down [1̅10]. The lattice-fringe image reveals that the magnesiokatophorite lamella is oriented paralel to the (110
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Photomicrographs of an amphibole grain with <span class="search-highlight">magnesiokatophorite</span> core, nyböi...

Photomicrographs of an amphibole grain with magnesiokatophorite core, nyböi...

Published: 01 March 2012
Fig. 6 Photomicrographs of an amphibole grain with magnesiokatophorite core, nyböite mantle and eckermannite rim: (a) plane-polarized light and (b) crossed polarizers (sample 012).
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Photomicrographs showing the relevant mineral assemblages and textural rela...

Photomicrographs showing the relevant mineral assemblages and textural rela...

Published: 31 January 2001
Fig. 4. Photomicrographs showing the relevant mineral assemblages and textural relationships of eclogites from the Acatlan Complex. ( a ) Polycristalline aggregate made of garnet 1 (Grt 1 ) porphyroblasts surrounded by an amphibole (Amp) rim of magnesiokatophorite. Symplectites of plagioclase
Journal Article

Petrography and Mineral Chemistry of Alkaline–Carbonatite Complex in Singhbhum Crustal Province, Purulia Region, Eastern India

S. K. Basu, T. Bhattacharyya
Published: 01 January 2014
Jour. Geol. Soc. India (2014) 83 (1): 54–70.
DOI: https://doi.org/10.1007/s12594-014-0007-4
... South Purulia Shear Zone (SPSZ) in parts of Singhbhum Crustal Province. The ACC occurs as intrusions within the Mesoproterozoic Singhbhum Group of rocks. Alkali pyroxenite comprises of aegirine augite, magnesiotaramite, magnesiokatophorite as major constituents. Pyrochlore and eucolite are ubiquitous...
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Multiple growth mechanisms of jadeite in Cuban metabasite

Walter V. Maresch, Christiane Grevel, Klaus Peter Stanek, Hans-Peter Schertl, Michael A. Carpenter
Published: 01 March 2012
European Journal of Mineralogy (2012) 24 (2): 217–235.
DOI: https://doi.org/10.1127/0935-1221/2012/0024-2179
... with rims and patches of omphacite. TEM observations indicate extensive replacement of pyroxene by amphibole. Glaucophane developed rims of magnesiokatophorite and edenite. Chlorite and epidote are also present. Late development of actinolite, chlorite, epidote and albite is observed. Quartz is present...
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Mineralogy of jadeitite and related rocks from Myanmar: a review with new data

Guanghai Shi, George E. Harlow, Jing Wang, Jun Wang, Enoch Ng, Xia Wang, Shumin Cao, Wenyuan Cui
Published: 01 March 2012
European Journal of Mineralogy (2012) 24 (2): 345–370.
DOI: https://doi.org/10.1127/0935-1221/2012/0024-2190
...Fig. 6 Photomicrographs of an amphibole grain with magnesiokatophorite core, nyböite mantle and eckermannite rim: (a) plane-polarized light and (b) crossed polarizers (sample 012). ...
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Sveinbergeite, Ca( \batchmode \documentclass[fleqn,10pt,legalpaper]{article} \usepackage{amssymb} \usepackage{amsfonts} \usepackage{amsmath} \pagestyle{empty} \begin{document} \(\mathrm{Fe}_{6}^{2+}\) \end{document} Fe 3+ )Ti 2 (Si 4 O 12 ) 2 O 2 (OH) 5 (H 2 O) 4 , a new astrophyllite-group mineral from the Larvik Plutonic Complex, Oslo Region, Norway: description and crystal structure

A. P. Khomyakov, F. Cámara, E. Sokolova, Y. Abdu, F. C. Hawthorne
Published: 01 October 2011
Mineralogical Magazine (2011) 75 (5): 2687–2702.
DOI: https://doi.org/10.1180/minmag.2011.075.5.2687
...-like divergent groups and spherical aggregates, which are covered by brown coatings of iron (and possibly manganese) oxides, associated with magnesiokatophorite, aegirine, microcline, albite, calcite, fluorapatite, molybdenite, galena and a hochelagaite-like mineral. Crystals of sveinbergeite are deep...
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Mineralogy of mine waste at the Vermont Asbestos Group mine, Belvidere Mountain, Vermont

Denise M. Levitan, Jane M. Hammarstrom, Mickey E. Gunter, Robert R. Seal, II, I-Ming Chou, Nadine M. Piatak
Published: 01 July 2009
American Mineralogist (2009) 94 (7): 1063–1066.
DOI: https://doi.org/10.2138/am.2009.3258
... by optical microscopy, SEM, and EPMA revealed non-fibrous amphiboles compositionally classified as edenite, magnesiohornblende, magnesiokatophorite, and pargasite. No fibrous amphibole was found in the tailings, although fibrous tremolite was identified in a sample of host rock. Knowledge of the mineralogy...
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Exsolution microstructures in amphiboles from metabasalts of the Betic ophiolitic association (SE Spain)

Maria Dolores Ruiz Cruz, Encarnacion Puga, Antonio Díaz De Federico
Published: 01 July 2007
European Journal of Mineralogy (2007) 19 (4): 547–556.
DOI: https://doi.org/10.1127/0935-1221/2007/0019-1735
...Fig. 9. Lattice fringe image of a thick magnesiokatophorite lamella exsolved in edenite. The lamella, richer in Na, appears more damaged by the electron beam. The image is viewed down [1̅10]. The lattice-fringe image reveals that the magnesiokatophorite lamella is oriented paralel to the (110...
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SHORT-RANGE ORDER IN AMPHIBOLES FROM THE BEAR LAKE DIGGINGS, ONTARIO

Frank C. Hawthorne, Roberta Oberti, Robert F. Martin
Published: 01 October 2006
The Canadian Mineralogist (2006) 44 (5): 1171–1179.
DOI: https://doi.org/10.2113/gscanmin.44.5.1171
...Frank C. Hawthorne; Roberta Oberti; Robert F. Martin Abstract The crystal structures of four amphiboles from the Bear Lake diggings, in the Bancroft area of Ontario, fluorotremolite, fluororichterite and two samples of potassian fluor-magnesiokatophorite, have been refined to R indices in the range...
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LOW-PRESSURE DIFFERENTIATION OF MELANEPHELINITIC MAGMA AND THE ORIGIN OF IJOLITE PEGMATITES AT LA MADERA, CÓRDOBA, ARGENTINA

Miguel Angel Galliski, Raúl Lira, Michael J. Dorais
Published: 01 December 2004
The Canadian Mineralogist (2004) 42 (6): 1799–1823.
DOI: https://doi.org/10.2113/gscanmin.42.6.1799
... age. The dykes are composed of pyroxene, nepheline, analcime, devitrified glass, magnetite, phillipsite-Na, magnesiokatophorite, eckermannite, biotite, calcite and chlorite. The pyroxene is strongly zoned, with compositions grouped about four different Mg# values (80, 70, 55 and 20), showing...
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THE DIVERSITY AND OCCURRENCE OF POTASSIUM-DOMINANT AMPHIBOLES

Frank K. Mazdab
Published: 01 December 2003
The Canadian Mineralogist (2003) 41 (6): 1329–1344.
DOI: https://doi.org/10.2113/gscanmin.41.6.1329
...”, “potassic-ferropargasite”, “potassic-chloro-ferropargasite”, “potassic-aluminosadanagaite”, “potassic-chlorosadanagaite”, “potassic-chloro-ferro-edenite”, “potassicrichterite”, “potassic-ferrorichterite”, “potassic-fluoro-magnesiokatophorite”, “potassic-ferritaramite”, “potassic-magnesio-arfvedsonite...
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Assessment of cation substitutions along the gallium and fluorine analogue of the tremolite-glaucophane join

Michael S. Pavlovich, Jr., David M. Jenkins
Published: 01 October 2003
American Mineralogist (2003) 88 (10): 1486–1495.
DOI: https://doi.org/10.2138/am-2003-1012
... toward F-Ga-Na-magnesiokatophorite, and the [A] □ + [VI] Ga ↔ [A] Na + [VI] Mg exchange toward F-Ga-eckermannite. Minor displacements from the join due to the [M4] Na + [VI] Ga ↔ [M4] Mg + [VI] Mg exchange toward “cummingtonite” and the richterite exchange [A] □ + [M4] Ca ↔ [A] Na + [M4] Na were also...
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Chemical compositions of the amphiboles of samples ( a ) FG-07 and ( b ) FG...

Chemical compositions of the amphiboles of samples ( a ) FG-07 and ( b ) FG...

Published: 01 February 2018
be displayed on another diagram. Note that the analysis of a Ca-Na amphibole (magnesiokatophorite; sample FG-02) is not represented. [Colour online.]
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Generalized paragenetic bar diagram for the calcite – amphibole – clinopyro...

Generalized paragenetic bar diagram for the calcite – amphibole – clinopyro...

Published: 01 October 2002
F ig . 13. Generalized paragenetic bar diagram for the calcite – amphibole – clinopyroxene rock from Afrikanda. For details see text. Comments: * richterite and magnesiokatophorite; ** calcian niobian, niobian calcian and thorian niobian loparite-(Ce) and ceroan lueshite; *** ancylite-(Ce
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Variation of major components ( apfu ) in the composition of amphibole-grou...

Variation of major components ( apfu ) in the composition of amphibole-grou...

Published: 01 October 2002
F ig . 5. Variation of major components ( apfu ) in the composition of amphibole-group minerals from CAPR: large crystals of magnesiohastingsite (1), magnesiokatophorite and richterite replacing magnesiohastingsite (2), high-AZ (3), low-AZ (4) zones and richterite rims (5) in oscillatory-zoned
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Backscattered-electron images and compositional maps of eclogitic garnets f...

Backscattered-electron images and compositional maps of eclogitic garnets f...

Published: 01 December 2006
are marked in the black field above or lower-right from each image. Numbers defining colour codes are impulse counts per second. Mineral name abbreviations are from Kretz (1983) supplemented by: Cpx – clinopyroxene, Amp – amphibole, br – barroisite, Mg-tm – magnesiotaramite, Mg-kt – magnesiokatophorite
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Photomicrographs of some characteristic textures observed in silicate-rich ...

Photomicrographs of some characteristic textures observed in silicate-rich ...

Published: 01 October 2002
), calcite (colorless) and magnesiohastingsite replacing the clinopyroxene (green to light yellow); (b) magnesiohastingsite (yellowish green) successively replaced by magnesiokatophorite plus richterite (lighter colored, more grayish) and clinochlore (colorless) along fractures; also note perovskite crystal
Journal Article

THE FIELD OF STABILITY OF BLUE JADEITE: A NEW OCCURRENCE OF JADEITITE AT SORKHAN, IRAN, AS A CASE STUDY

Roland Oberhänsli, Romain Bousquet, Hesam Moinzadeh, Mohssen Moazzen, Mohsen Arvin
Published: 01 December 2007
The Canadian Mineralogist (2007) 45 (6): 1501–1509.
DOI: https://doi.org/10.3749/canmin.45.6.1501
... 0.5 )O 22 (OH) 2 , with a very small amount of Fe and a slight excess of Mg. The composition fits on the join eckermannite [NaNa 2 (Mg 4 Al) Si 8 O 22 (OH) 2 ] – magnesiokatophorite [Na(NaCa) (Mg 4 Al)Si 7 AlO 22 (OH) 2 ]. The Sorkhan jadeitite is very pure. A bulk chemical analysis ( Table 1...
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