extreme macro photograph of natural foliated mica schist rock tightly layered vertical lamination intricate surface texture with fine organic hairline cracks and fracture lines catching the light glittering micaceous flakes and crystalline sheen color palette of deep grey green and charcoal black with subtle natural inclusions of copper rust iron oxide staining and chalk white quartz and calcite veins ultra sharp micro detail visible mineral grain shallow depth of field focus stacked studio lighting with low angle raking side light to emphasize relief and depth soft fill dark background photorealistic 8k shot on 100mm macro lens f 8 scientific mineral photography