macro shot of a green amethyst gemstone, showing intricate crystalline texture, ultra-detailed, photorealistic, shimmering light reflections, natural imperfections, vibrant deep violet hues, soft ambient lighting, extreme close-up, {high-resolution textures}, taken with a professional DSLR camera, depth of field, f/2.8 aperture, sharp focus on crystal details, studio background with soft gradients, surreal, realistic, 8k HD
