Mineral Future

{
  "subject": "large irregular translucent icy mineral suspended above matte-black architectural planes",
  "scene": "dark futuristic studio with a black curved sheet, subtle floor grid and one polished metal sphere",
  "composition": "centered hero object, landscape frame, low horizon, strong negative space",
  "lighting": "cold cyan orbit around the mineral, narrow cyan rim, soft overhead key and restrained warm floor accent",
  "palette": [
    "pitch black",
    "graphite",
    "ice blue",
    "electric cyan",
    "silver"
  ],
  "materials": [
    "fractured crystal",
    "frosted mineral",
    "brushed black metal",
    "mirror chrome"
  ],
  "camera": "70mm product lens, eye-level close still life, controlled depth of field",
  "render": "hyper-real cinematic 3D, ray-traced caustics and reflections, sharp premium advertising finish",
  "mood": "precise, speculative, silent, luxurious",
  "negative_constraints": [
    "no text",
    "no logo",
    "no watermark",
    "no user interface",
    "no border",
    "no duplicated objects",
    "no low-resolution artifacts"
  ]
}