🎬 Prompt: Cinematic macro shot of cutting a black opal with moving chromatic flames. The scene opens with an extreme macro close-up from a slightly top-down angle. Two well-groomed adult male human hands hold a thin, finely serrated bread knife, placed with extreme precision onto the surface of a rough, crystalline black opal with a deep, dark tone and textured exterior. As a slow, straight downward cut begins, the stone visibly resists, then ultra-fine micro-fractures appear and carefully propagate along the cutting line. With each subtle advance of the blade, the opal’s internal colors ignite and animate into vivid chromatic flames, shifting between green and blue with faint red accents, changing dynamically with even the smallest movement and pressure. Fine crystalline shards and microscopic sparkling particles release from within the stone, gently dispersing and settling onto a clean white cutting board, while the interior reveals richly layered structures with high contrast and brilliance. Neutral, cool studio lighting combined with a soft angled side light enhances the color flashes and highlights microscopic crack details, maintaining a clean, controlled, near-laboratory aesthetic with no distractions. The sound design is pure ASMR: subtle finger friction, precise metallic scraping, soft hollow crystalline resonance, delicate granular crackling, and muted particle-settling sounds — no music, no background noise — creating a calm, meticulous, deeply satisfying visual and auditory experience.