realistic 3D prop old rock and stone for game dev, high quality geometry PBR texture matte, hyper-realistic,4K,studio lighting,extreme detail,physically-based rendering,ultra-fine details,volumetric lighting,photorealistic,cinematic,moody,dramatic lighting,rugged terrain,ancient weathered stone,machas de musgo,cracked and eroded surfaces,detailed crevices and fractures,natural imperfections,warm color palette,earthy tones