
Plot Film adaptation Main article: Sapphire Blue (film) Foreign editions For the respective translated titles and publishing dates, see Editions and cover arts. Trace amounts of impurities determine if a gem corundum will be a brilliant red ruby or a beautiful blue sapphire.
Both of these gemstones have the same chemical composition and the same mineral structure. Gwen's not sure what's going on there, but she's pretty much destined to find out. ADVERTISEMENT Ruby, Sapphire, and Fancy Sapphire Most people don't realize that ruby and sapphire are both gems of the mineral corundum. One minute he's very warm indeed the next he's freezing cold. And of course there is Gideon, the Diamond. Ruby and Emerald Ruby Both Emerald and Ruby are considered to be royal gemstones as they have been the choice of royal families for centuries. And Xemerius, the gargoyle demon who has been following Gwen since he caught her kissing Gideon in a church, offers advice on everything. James the ghost teaches Gwen how to fit in at an eighteenth century party.

Her best friend Lesley follows every lead diligently on the Internet. In between searching through history for the other time-travelers and asking for a bit of their blood (gross!), she's been trying to figure out what all the mysteries and prophecies surrounding the Circle really mean.Īt least Gwen has plenty of help. Gwen's life has been a rollercoaster since she discovered she was the Ruby, the final member of the secret time-traveling Circle of Twelve.
