Siderite with Dolomite – Bijie Mine, Guizhou, China A top-quality and highly aesthetic specimen of siderite with accompanying dolomite from the well-known Bijie Mine in Guizhou, China. This piece stands out for its sharp, well-defined crystallization in warm olive-brown tones, which show a beautiful luster thanks to the numerous fine crystal faces. The crystals are densely arranged, forming a rich, three-dimensional structure across the entire specimen. The piece is damage-free, offering excellent mineral quality suitable for both advanced collectors and demanding beginners. The photos accurately reflect the true appearance and beauty of the specimen.