background with metallic luster. imitation gold surface. raw nugget

backdrop background cavern cavity chunk dig effulgence embossed expensive fluid foil gemstone geology glitter glow gold golden goldmine grungy imitation jewelry liquid luster luxury macro macronn marble metal metallic mineral nugget old ore painted piece precious radiance raw red relief rich ripples rock rough sheen shine shiny solid sparkle splendour stone success surface textured vintage wave wealth yellow