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Click Here for Larger Nyerereite Image in a New Browser Window Images: .... Print or Cut-and-Paste your Nyerereite Specimen Label here : ...
webmineral.com/data/Nyerereite.shtml - 40k - Similar pages
http://webmineral.com/data/Nyerereite.shtml
Sodium (nyereteite) and potassium (gregoryite) carbonates, not stable in normal atmosphere, collected molten from the volcano and maintained in inert argon ...
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http://webmineral.com/specimens/picshow.php?id=1492&target=Nyerereite
Mar 6, 2009 ... Nyerereite has a chemical composition of Na2Ca(CO3)2 where the alkali element is clearly present, and has an important role when the magma ...
en.wikipedia.org/wiki/Nyerereite - 25k - Similar pages
http://en.wikipedia.org/wiki/Nyerereite
Localities for Nyerereite. Hide Locality List. The map shows a selection of localities that have latitude and longitude coordinates recorded. ...
www.mindat.org/min-2945.html - 37k - Similar pages
http://www.mindat.org/min-2945.html
Fluorite microcrysts are considered to be derived by the fragmentation of the fluorite-nyerereite clasts. Sylvite microcrysts contain inclusions of ferroan ...
minmag.geoscienceworld.org/cgi/content/abstract/70/1/103 - Similar pages
http://minmag.geoscienceworld.org/cgi/content/abstract/70/1/103
The mineral name nyerereite was approved J?y the Commission on ... nyerereite has been discussed in advance of a published description ...
rruff.geo.arizona.edu/doclib/zk/vol145/ZK145_73.pdf - Similar pages
http://rruff.geo.arizona.edu/doclib/zk/vol145/ZK145_73.pdf
They occur as pheno- and microphenocrystals in groundmass consisting of fluorite and sylvite; nyerereite typically forms prismatic crystals and gregoryite ...
cat.inist.fr/?aModele=afficheN&cpsidt=21401785 - Similar pages
http://cat.inist.fr/?aModele=afficheN&cpsidt=21401785
The carbonatite samples contain two mineral assemblages: the first consists of relict primary magmatic minerals: nyerereite, fluorite, apatite-(CaF), ...
canmin.geoscienceworld.org/cgi/content/full/46/4/843 - Similar pages
http://canmin.geoscienceworld.org/cgi/content/full/46/4/843
Dec 10, 2008 ... Potassium sulfides in kimberlite-hosted chloride-"nyerereite" and chloride clasts of Udachnaya-East Pipe, Yakutia, Russia ...
eprints.utas.edu.au/8095/ - 26k - Similar pages
http://eprints.utas.edu.au/8095/
Trace element geochemistry of nyerereite and gregoryite phenocrysts from Oldoinyo Lengai natrocarbonatite lava. Authors: Mitchell, R. H.; Kamenetsky, V. S. ...
adsabs.harvard.edu/abs/2008GeCAS..72R.637M - Similar pages
http://adsabs.harvard.edu/abs/2008GeCAS..72R.637M