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The tvedalite spherulites are always overgrown by a crust of chiavennite. ... Be minerals are widespread in the syenite pegmatites tvedalite after the ...
www.minsocam.org/ammin/AM77/AM77_438.pdf - Similar pages
http://www.minsocam.org/ammin/AM77/AM77_438.pdf
tvedalite, 438 vyalsovite, 201 walthierite, 1275. Electron microscopy ..... tvedalite, 438 uranyl silicates, 431 vonbezingite, 1292 vyalsovite, 201 ...
www.minsocam.org/ammin/AM77/AM77_1320.pdf - Similar pages
http://www.minsocam.org/ammin/AM77/AM77_1320.pdf
Tvedalite. (Ca;Mn2+)4Be3Si6O17(OH)4² 3H2O c○2001 Mineral Data Publishing, version 1.2. Crystal Data: Orthorhombic. Point Group: n.d. As spherulites of ...
www.handbookofmineralogy.org/pdfs/tvedalite.pdf - Similar pages
http://www.handbookofmineralogy.org/pdfs/tvedalite.pdf
Tvedalite, (Ca,Mn) 4 Be 3 Si 6 O 17 (OH) 4 .3H 2 O, a new mineral from syenite pegmatite in the Oslo region, Norway. Alf Olav Larsen, Arne Asheim, ...
ammin.geoscienceworld.org/cgi/content/abstract/77/3-4/438 - Similar pages
http://ammin.geoscienceworld.org/cgi/content/abstract/77/3-4/438
Aug 8, 2009 ... I can't say for sure it's tvedalite, but it might be. I hope to get it analysed, I have enough material. Beside the chiavennite and possible ...
www.mindat.org/blog.php/764/AS+Granite+news,+Aug... - 16k - Similar pages
http://www.mindat.org/blog.php/764/AS+Granite+news,+August+2009
Raade, and J. Taft¿ (1992) Tvedalite, (Ca; Mn) 4. Be. 3. Si. 6. O. 17 (OH) 4. ². 3H. ... http://www.minsocam.org/msa/Handbook/Tvedalite.PDF ...
unjobs.org/duty_stations/norway/oestfold/raade - 25k - Similar pages
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And most important of all: tvedalite has been found for the second time - on the ... Saga Pearl was fantastic - a pegmatite with chiavennite, tvedalite (3rd ...
www.koeln.netsurf.de/~w.steffens/lsf.htm - 32k - Similar pages
http://www.koeln.netsurf.de/~w.steffens/lsf.htm
Titre du document / Document title. TVEDALITE, (CA,MN)4BE2SI6O17(OH)4.3H2O, A NEW MINERAL FROM SYENITE PEGMATITE IN THE OSLO REGION, NORWAY ...
cat.inist.fr/?aModele=afficheN&cpsidt=11355499 - Similar pages
http://cat.inist.fr/?aModele=afficheN&cpsidt=11355499
1986), and the quarry is type locality for tvedalite (Larsen et al. 1992). ... Larsen, A. O., Åsheim, A., Raade, G. & Taftø, J. 1992: Tvedalite, ...
home.c2i.net/aolarsen/Pegmatites.htm - Similar pages
http://home.c2i.net/aolarsen/Pegmatites.htm
Larsen, A.O., Åsheim, A., Raade, G., Taftø, J. (1992): Tvedalite, (Ca,Mn)4Be3Si6 O17(OH)4·3H2O, a new mineral from syenite pegmatite in the Oslo Region, ...
eurjmin.geoscienceworld.org/cgi/content/full/21/4/893 - Similar pages
http://eurjmin.geoscienceworld.org/cgi/content/full/21/4/893