Close-up macro footage of chalcedony crystal texture, showcasing its natural shine, intricate surface patterns, and subtle reflections. Shot in a vintage film style with soft focus and grainy texture, this seamless loop highlights the mineral's earthy beauty and geological complexity. Ideal for science, geology, and nature content, this clip captures the rare elegance of a semiprecious stone in its raw form. Filmed in Portugal, this authentic mineral footage offers a nostalgic, analog aesthetic perfect for educational or artistic projects.