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 Adventure of the Abbas Ruby The Adventure of the Abbas Ruby "The Adventure of the Abbas Ruby" is a Sherlock Holmes mystery by Adrian Conan Doyle, the youngest son of Arthur Conan Doyle, the Sherlock Holmes creator. The story was published in the 1954 collection, "The Exploits of Sherlock Holmes". Holmes is startled by the sudden appearance during a blizzard of Andrew Joliffe, the butler of horticulturalist Sir John Doverton. During a dinner party, the Abbas Ruby disappeared from the Doverton house, as did all the blooms on Sir John's camillia bush. The police arrive at Holmes residence to arrest Joliffe, but not before Joliffe