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MD-137944 - Thorianite - - Archived Andranondambo phlogopite deposit, Maromby Commune, Amboasary District, Anosy (Fort Dauphin) Region, Tuléar (Toliara) Province, Madagascar thumbnail, 7.5mm
7.5mm x 6mm x 5mm A crystal of the rare thorium mineral thorianite (thorium oxide, with the simple formula of ThO2) – from a find in the early 70’s in Madagascar. You just do not see these around on the market...in fact, how often do you see ANY thorium mineral?
MD-261779 - Thorianite - - Archived Anosy (Fort Dauphin) Region, Tuléar (Toliara) Province, Madagascar thumbnail, 0.9 x 0.9 x 0.8 cm.
0.9 x 0.9 x 0.8 cm. A sharp, lustrous, dark chocolate-brown, complete-all-around thorianite cube from the Fort Dauphin Region of Madagascar. A fine crystal for the locality. This old-time specimen is from a find in the early 1970’s. Ex. Don Boydston Collection.
MD-54888 - Thorianite - - Archived Ambatofotsy pegmatite, Mahavelona Commune, Soavinandriana District, Itasy Region, Antananarivo Province, Madagascar thumbnail, 1.6 x 1.4 x 1.3 cm
A very aesthetic cluster of four, lustrous, black, interpenetrating twinned thorite crystals from Ambatofotsy, Madagascar. All of the crystals are undamaged. This is of SUPERB quality. 1.6 x 1.4 x 1.3 cm [NOTE: The locality of this specimen has been questioned, see http://www.mindat.org/mesg-7-35240.html] All Content and Design ©1996-2010 The ArkenstonePowered by http://mineralwebsites.comBy-species Galleries | ||||||
