Natural Raw Black Obsidian Chunks, box with one kilogram Each box contains between 8 and 15 pieces of raw Black Obsidian chunks, with irregular sizes and shapes, making up a total of approximately one kilogram. The white cardboard box measures about 19 cm x 14 cm x 4 cm and is shipped closed, with no option to select the pieces it contains. Black Obsidian is a volcanic stone with dark shades and is said to have esoteric properties that reveal hidden truths. The photos are illustrative, and the contents of the box will consist of Black Obsidian chunks of similar quality to those shown in the images.