Black sardonyx brings discipline, focus, motivation and will power to complete any task . The melding of onyx and carnelian are perfect for protection and memory. If you find yourself procrastinating - add the zing of a Mookaite Australian Jasper gemstone bracelet. These two energies will be perfect for any student facing the daunting task of passing exams in these trying times. Light the yellow candle when you start studying to help you focus and improve concentration.