Silver Plated Grade Unakite Necklace and 925 Silver Unakite Earrings. Unakite , a metamorphic rock composed of pink feldspar, green epidote, and quartz, is primarily known as a stone of heart-centered emotional balance, grounding, and gentle transformation. It is widely used to promote self-compassion, release deep-seated emotional baggage, and foster personal growth. It is also often called "epidotized granite".