"serv Dial Sud & sars"

Includes: six each of conglomerate, sandstone and shale. Set of 18.

Common rocks and minerals for testing and identification studies are 2–3cm each.

Brownish black, intermediate stage between peat and bituminous coal.

Compact Plant Fiber Masses.

Gray and poorly sorted, with a gritty texture.

Black, soft; most widely mined.

Soil