nanobanana prompt: Levitating Obsidian Product with Spectral Iridescence

{
  "ultra_high_fidelity_request": {
    "subject": "[PRODUCT]",
    "framing": {
      "position": "Strictly centered and levitating",
      "boundary": "Full product visibility, zero cropping, isolated in 3D space",
      "background": "Solid pure black hex #000000"
    },
    "optical_effects": {
      "iridescence": "Extremely brilliant spectral iridescence, vivid neon oil-slick gradients",
      "volumetric": "Internal volumetric lighting, ethereal inner glow, light scattering within the material",
      "refraction": "High-index caustic light refraction, prismatic color splitting at the edges",
      "luminosity": "Super-saturated holographic highlights, intense electric blues and deep magentas"
    },
    "material_finish": {
      "texture": "Ultra-glossy liquid-smooth finish",
      "base": "Deep translucent obsidian glass with infinite depth",
      "reflections": "Crisp ray-traced mirror reflections of an invisible light source"
    },
    "negative_constraints": [
      "No platforms",
      "No floor",
      "No light boxes",
      "No softboxes",
      "No props",
      "No text",
      "No shadows on surfaces",
      "No pedestals"
    ]
  }
}