DescriptionCorundum 2.jpg English: corundum var. ruby : Hunza Valley, Gilgit District, Gilgit-Baltistan (Northern Areas), Pakistan Date 20 July 2010 Source...
org/licenses/by-sa/2.5CC BY-SA 2.5 Creative Commons Attribution-Share Alike 2.5 truetrue You may select the license of your choice. English Corundum crystals Burmese...
This file is licensed under the Creative Commons Attribution 2.0 Generic license. You are free: to share – to copy, distribute and transmit the work to...
English Piece of Corundum Crystal - jade carving material, China (MET, 1981.296.52)...
English Container of Crushed Corundum - jade carving material, China (MET, 1981.296.58)...
[[:en:Muzo|Muzo]], Vasquez-Yacopí Mining District, [[:en:Boyacá D File:Corundum-41673.jpg licensed with Cc-by-sa-3.0, Rob Lavinsky cc-by-sa 2010-04-01T21:53:42Z...
Corundum- Al2O3- Corundum crystal, weighting 2 quilos, from Duque de Caxias City, Estado do Rio de Janeiro, Brasil Eurico Zimbres, the copyright holder...
DescriptionCorundum, calcite 2.jpg English: corundum var. ruby, calcite : Luc Yen Mine, Luc Yen, Yenbai (Yen Bai) Province, Vietnam Date 15 January 2009...
English Container of Crushed Corundum - jade carving material, China (MET, 1981.296.58)...
org/licenses/by-sa/2.5CC BY-SA 2.5 Creative Commons Attribution-Share Alike 2.5 truetrue English Pegmatite with blue corundum crystals determination...