The term vajra is a Sanskrit word that is usually defined as "diamond" or "thunderbolt." A diamond is spotlessly pure and indestructible. The Sanskrit word means "unbreakable or impregnable, being durable and eternal". As such, the word vajra sometimes signifies the lighting-bolt power of enlightenment and the absolute, indestructible reality of shunyata, "emptiness." GEMSTONES Blue Agate: Blue Agate brings calmness, it releases tension and helps to relax. The meaning of Blue Agate also includes Natural Stone Amulet Necklace For Meditation, Spiritual Pendant Necklace For Meditation, Spiritual 108 Beads Necklace For Meditation, Bohemian Hand-strung Jewelry For Blessings, Amulet Jewelry With 8mm Beads For Meditation, Amulet Style Jewelry With 8mm Beads For Meditation, 8mm Beads Amulet Jewelry For Meditation, Spiritual Round Beads Jewelry For Blessing, Bohemian Necklace With 108 Beads For Meditation