925 sterling silver overlay. Comes with an 18" chain. Please see my closet for a wide variety of magical jewelry! I love to bundle! Owyhee Blue Opal is a high vibration crystal that has a beautiful calming energy. It also helps to release any feelings of fear and helplessness. This energy may assist you to make a stronger connection with both your spirit guides and the angels. They are excellent healing crystals for you to use to assist problems in the throat. These blue stones also embody a gentle calm energy that balances the emotions. Reiki Meditation Wicca Wiccan Witch Healer Energy Divination Oracle Psychic Spiritual Charm Ritual Starseed Lightworker Metaphysical Boho Bohemian Hippie Grounding Protection chakra yoga festival tarot altar amethyst onyx eye moon witchy vortex tourmaline amethyst quartz Crystal spiritual gangster malachite lapis obsidian moon mandala lotus vintage antique artisan designer beach wedding