DescriptionCorundum 3.jpg English: corundum var. ruby : Hunza Valley, Gilgit District, Gilgit-Baltistan (Northern Areas), Pakistan Date 20 July 2010 Source...
Wayback Machine ; English Wikipedia, original upload 3 August 2004 by Chris 73 en:Image:Corundum USGOV.jpg English applies to jurisdiction: United States of...
https://creativecommons.org/licenses/by-sa/3.0CC BY-SA 3.0 Creative Commons Attribution-Share Alike 3.0 truetrue English Corundum Var.: Ruby determination method...
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 RKBot 348x600...
BY-SA 2.5 Creative Commons Attribution-Share Alike 2.5 truetrue You may select the license of your choice. English Corundum crystals Burmese မြန်မာဘာသာ...
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)...
DescriptionCorundum, calcite 3.jpg English: corundum var. ruby, calcite : Luc Yen Mine, Luc Yen, Yenbai (Yen Bai) Province, Vietnam - crystal : 20 mm...
English Container of Crushed Corundum - jade carving material, China (MET, 1981.296.58)...
Creative Commons Attribution-Share Alike 3.0 Unported license. Attribution: Rob Lavinsky, iRocks.com – CC-BY-SA-3.0 You are free: to share – to copy, distribute...
