Mineralogical Art Entergrown Aggregate of Siderite Crystals from Skardu, PakistanThis is an attractive and artistic piece of Siderite crystal aggregate with magnificent natural art on crystal surface. The crystals are so well crystalized and composed all around giving this piece a 360 degree view. It has very fine and compact crystal quality, thick crystals with perfect self standing display position. It has vibrant dark brown color with impressive dimensionality and indeed an incredible example for the species in such perfection