The Terratone Opal Double Chalice is a light, expansive instrument designed to support clarity, subtle awareness, and elevated states of listening. Crafted from high-purity quartz and intentionally tuned for balanced, resonant frequencies, this double-base chalice produces a clear, shimmering tone that feels spacious and uplifting. Its dual-chamber design enhances resonance and sustain, allowing the sound to unfold gently and evenly throughout the body and energetic field. It is especially well suited for meditation, intuitive work, breath practices, and crown-centered sound journeys. Finished in luminous opalescent crystal with a soft iridescent sheen, the chalice reflects light with subtle rainbow tones, creating a presence that feels refined, ethereal, and quietly radiant. Lightweight. Balanced. Made for real practice. Available in your choice of note.Select the frequency that best supports your practice at checkout.