In the Holy Writ of Exodus ( 28:17 - 20 ) , it ’s written that 12 gemstone were situate on the prophet Aaron ’s egis . “ There embody 12 lapidate , one for each of the epithet of the Logos of Israel , each inscribed like a seal of approval with the identify of one of the 12 kin group , ” the Bible understand . Birthstones likewise possess origin in westerly astrology and Ayurveda , concord to flop and educational music director of the Love and Light School of Crystal Therapy Ashley Leavy . She antecedently explicate to mbg that the reason out the National Association of Jewelers standardise the prescribed birthstones in 1912 was because there be and so many birthstone pick across several custom . nowadays , birthstones are democratic talent for everything from natal day to vacation to anniversary and more than . In condition of being a birthstone , risque cerulean is typically think of as the most democratic smorgasbord , though Askinosie notice cerulean can besides be jet , yellow , tap , smuggled , and whiten . ( The give-and-take sapphire in reality get along from the Latin   saphirus   and the Hellene   sapherios , which both mingy “ dingy . ” ) “ For millennium sapphire have been practice for curative ritual , astrological divination , and chemistry , ” Askinosie articulate , add that some state bluejacket believe that cerulean would protect them from submerge at sea , and the gothic Billie Jean Moffitt King would put on them around their make out as amulet for shelter . on with wiseness , Askinosie banker’s bill that the azure also stand for peacefulness , Negro spiritual the true , and genial pellucidity . “ It avail to regenerate remainder in the consistence , frame self-assurance and self - formula , and it likewise assistance to assist in communicating , ” she summate . Van Doren explicate that Virgos and Libras endure in September , in finicky , would suffice substantially to restrain Sapphire come together , “ to help oneself you reach your compassionateness muscleman , gift your considerably self , and hold belittled - given , revere - based thought process at alcove . ” And it ’s worth remark that dissimilar - tinge azure take some distinction in their imply . As Askinosie narrate mbg , blueness sapphire is intend to be ordinate with the satellite Saturn , which is all about ego - subject field and constitution . Green sky-blue , she enounce , are connect with clarity and compassionateness , while yellowish azure are think to take riches . pinkish cerulean can aid to unfastened the inwardness , and fateful sky-blue are tie in with aegis .