Ruby was mentioned by the Fifteenth Doctor as being a shade of red. (TV: The Legend of Ruby Sunday [+]Loading...["The Legend of Ruby Sunday (TV story)"])
Joshua Jobel referred to lips as being ruby coloured when he met Peri Brown on Necros. (TV: Revelation of the Daleks [+]Loading...["Revelation of the Daleks (TV story)"]) After Jean and Phyllis were converted into Haemovore they maintained rich ruby lips. (PROSE: The Curse of Fenric [+]Loading...["The Curse of Fenric (novelisation)"])
Blood could be ruby coloured. (PROSE: Prologue to The Centenarian [+]Loading...["Prologue to The Centenarian (short story)"])
Fingernails could be painted with a ruby lacquer. (PROSE: A Big Hand for the Doctor [+]Loading...["A Big Hand for the Doctor (short story)"])
Energy weapons sometimes had a ruby coloured light. (PROSE: The Tree of Life [+]Loading...["The Tree of Life (novel)"], Engines of War [+]Loading...["Engines of War (novel)"], Lungbarrow [+]Loading...["Lungbarrow (novel)"], The Book of the Still [+]Loading...["The Book of the Still (novel)"])
Glassware like sconces could be ruby coloured. (PROSE: The City of the Dead [+]Loading...["The City of the Dead (novel)"])
Biology
Jarnians had ruby coloured eyes. (PROSE: Mars [+]Loading...["Mars (ST short story)"])
The Wishing Beast had ruby coloured eyes. (AUDIO: The Wishing Beast [+]Loading...["The Wishing Beast (audio story)"])
Cybermats on Telos in the 26th century had ruby eyes. (PROSE: Doctor Who and the Tomb of the Cybermen [+]Loading...["Doctor Who and the Tomb of the Cybermen (novelisation)"])
Food and drinks
Some wines had a deep ruby colour. (PROSE: Professor Bernice Summerfield and the Squire's Crystal [+]Loading...["Professor Bernice Summerfield and the Squire's Crystal (novel)"]) Or a dark ruby colour. (PROSE: The Fall of Yquatine [+]Loading...["The Fall of Yquatine (novel)"])
Ruby-skinned apples were ground in and around to Killingworth in the 19th century. (PROSE: The Mark of the Rani [+]Loading...["The Mark of the Rani (novelisation)"])