purple amethyst, stardew valley, gemstone, sparkling, crystal structure, rough edges, translucent, mining, cave interior, earthy tones, soft ambient light, close-up shot, detailed texture, magical glow, fantasy setting, treasure chest, wooden pickaxe, miner's outfit, dirt-covered gloves, cavernous background, moss-covered rocks, underground, shimmering effect, 3/4 composition, vibrant colors, mystical atmosphere.