Isometric pixel art tiny underground crystal mine at dusk, miniature stone cavern with glittering mineral veins embedded in walls, small pixel miners in leather aprons with pickaxes harvesting glowing amethysts and quartz, wooden support beams and rusted minecart tracks, warm torchlight illuminating crystalline reflections against deep cavern shadows, scattered gem fragments on stone floor, deep indigo and warm amber color palette, 8-bit color palette, detailed stone grain and crystal facet textures, mysterious subterranean atmosphere, high detail pixel art, 32-bit era style