Ruby other rubies of similar quality. After color follows clarity: similar to diamonds, a clear stone will command a premium, but a ruby without any needle-like rutile inclusions may indicate that the stone has been treated. Ruby is the traditional birthstone for July and is usually more pink than garnet, although some rhodolite garnets have a similar pinkish hue to most rubies. The world's most valuable ruby is the Sunrise Ruby. Rubies have a hardness of 9.0 on the Mohs scale of mineral hardness. Among the natural gems only moissanite and diamond are harder, with diamond having a Mohs hardness of
The Ruby in the Smoke "Masterpiece Mystery!" as "The Sally Lockhart Mysteries: The Ruby in the Smoke" on 4 February 2007. The UK broadcast attracted 7.07 million viewers. It is notable as marking the TV debut of actor Matt Smith, who would later take over the role of The Doctor in Piper's former series, "Doctor Who". All four Sally Lockhart books were expected to be adapted for television; however, as of January 2015 no information has arisen regarding an adaptation of "The Tiger in the Well". In the summer of 2016, a stage adaptation written and directed by Madeleine Perham was performed at The Pleasance