Very fine-grained magmatic lithotype with a light gray overall color. Homogeneous in color and composition.
The basalt being a natural product, these samples are average which are liable to vary. We will always endeavor to maintain consistency, at least as close as possible, but resemblance cannot be guaranteed.
Sample dimensions : L 20 cm x l 10 cm x W 2 cm – 8’’ x 4’’ x ¾’’