Silver Plated Clasp Purple Striped Agate Necklace. *Purple Striped Agate Crystal Meanings: White and purple striped agate is spiritually linked to calm, purity, and higher consciousness through the white stone, and positivity, energy, and protection through the purple stone. The combination is believed to foster a sense of spiritual balance, enhance communication with the universe, and promote a positive mindset for overcoming life's challenges. It is seen as a stone that promotes both grounding and spiritual growth.