The Prometheus I and II light fixtures are suspended metal rings with downwards or upwards facing natural clear quartz crystals attached with rare-earth magnets. Available metal finishes include aged brass, dark bronze, hand rubbed brass, mottled patina, copper leaf, gold leaf, silver leaf, polished brass, polished steel, brushed steel, and palladium leaf. Materials: Natural clear quartz crystals Available Dimensions: 17.7" | Ø 450mm 23.6" | Ø 600mm 35.4" | Ø 900mm 47.2" | Ø 1200mm 59.0" | Ø 1500mm 70.9" | Ø 1800mm 82.7" | Ø 2100mm Materials, size, and lighting type are customizable