prismatic shard, stardew valley, vibrant colors, crystal-like texture, rare item, mining, iridescent, geode, omni geode, quarry, skull cavern, drop from Iridium Node, treasure chest, fishing, artifact trove, farmer, pixel art style, in-game item, colorful glow, sought-after, essential for Galaxy Sword, farming simulation game, lush green farm environment, soft ambient lighting, 3/4 view, detailed pixelated structure, fantasy setting, adventure, exploration, serene atmosphere.