- Are you new to crystals or tired of always having to google their meanings? I can help you out with that! Colors carry they’re own symbolism that can vary across cultures and these qualities can be applied to crystals. Using this tip will make your life so much easier and can also be applied to other things like clothes/fashion etc. The color blue: - Blue is said to have a relaxing/calming, and cognitive enhancement effect. It’s also believed to influence evoke emotions like trust, responsibility, loyalty and authority. • Applications for this information: • Carry your favorite blue crystal when you need to study, work or focus in general, when you want to calm yourself down after a tense moment, or when you want to exude an air of authority/expertise like an interview.