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Gaudefroyite mineral data, information about Gaudefroyite, its properties and worldwide locations.
www.mindat.org/min-1660.html - 49k - Similar pages
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Gaudefroyite : Ca4Mn3+2-3[(O,OH)3|CO3|(BO3)3] .... A superb example of the Gaudefroyite/Andradite/Baryte combinations from Black Rock Mine. ...
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Gaudefroyite. # 515. Gaudefroyite from N Chwaning II Mine, Kuruman, South Africa . Gaudefroyite. Large Crystal. Very Rare. Size: Thumbnail 22 x 10mm ...
www.rocksofafrica.com/mineral_detail.asp?mineral... - 13k - Similar pages
http://www.rocksofafrica.com/mineral_detail.asp?mineralid=515&count=y
References: (1) Jouravsky, G. and F. Permingeat (1964) La gaudefroyite, ... (3) Beukes, G.J., H. de Bruiyn, and W.A. van der Westhuizen (1993) Gaudefroyite ...
www.handbookofmineralogy.org/pdfs/gaudefroyite.pdf - Similar pages
http://www.handbookofmineralogy.org/pdfs/gaudefroyite.pdf
GAUDEFROYITE/HAUSMANNITE/ANDRADITE - South Africa. View Product Images ... red andradite crystals and framed with lustrous black gaudefroyite crystals. ...
www.theadamscollection.com/catalog/item/5421894/... - 18k - Similar pages
http://www.theadamscollection.com/catalog/item/5421894/6060810.htm
WT1103 Gaudefroyite NChwaning II Mine, Kuruman, North Cape Province, South Africa ... BLM38335 Gaudefroyite Wessels Mine, North Cape Province, South Africa ...
www.e-rocks.com/Products.aspx?action=list&type=2... - 46k - Similar pages
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The pseudo-hexagonal parameters for gaudefroyite are a = 10.606(1) and c = 5.896 (1) Å. The symmetry of gaudefroyite is lower than hexagonal because of the ...
ammin.geoscienceworld.org/cgi/content/abstract/85/9/1188 - Similar pages
http://ammin.geoscienceworld.org/cgi/content/abstract/85/9/1188
sure of formation, where gaudefroyite and barite were formed ... The structure of gaudefroyite was determined and refined by Granger and Protas (1965), ...
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gaudefroyite are a = 10.606(1) and c = 5.896(1) Å. The symmetry of gaudefroyite is lower than hexagonal because of the streaked reflections. ...
www.minsocam.org/MSA/AmMin/TOC/Abstracts/2000_Abstracts/Se... - Similar pages
http://www.minsocam.org/MSA/AmMin/TOC/Abstracts/2000_Abstracts/Sept00_Abstracts/Hassan_p1188_00.pdf
The structural behavior of gaudefroyite, Ca8Mn3+6[(BO3)6(CO3)2O6], was determined by using Rietveld refinements based on synchrotron powder ...
canmin.geoscienceworld.org/cgi/content/abstract/46/1/183 - Similar pages
http://canmin.geoscienceworld.org/cgi/content/abstract/46/1/183