Rock Illustration - Geology & Education Resource #3245525 (License: Personal Use)

This grayscale illustration shows an irregularly shaped rock with layered shading to suggest depth, surface variation, and lighting from the upper right. A soft shadow grounds the object on a neutral background, enhancing its three-dimensional appearance. The style balances realism with minimalism, making it suitable for scientific diagrams or digital interfaces.

Commonly used in educational materials, geology websites, science textbooks, or UI elements where a generic but accurate rock representation is needed. Matches user intent for visual learning, iconography, or placeholder assets.