"Specimens"

Gray andesite with phenocrysts of felspar and/or hornblende.

Sawn and lacquered slab showing thinly bedded truncated layers in a well-cemented sandstone. Large hand specimen.

Classic, dark; from the Columbia Plateau.

Lustrous, black 'hard coal'.

Black, soft; most widely mined.

Cemented glacial gravel.

Small, rounded pebbles and tightly cemented granules.

Coarse, 'salt and pepper': dark pyroxene and light andesine. Provides perfect representation of an intermediate igneous rock.

Ward's® highest quality and purest mineral offerings.

Ward’s® PURE Preserved Specimens - the best dissection experience from start to finish.

Ward’s® PURE Preserved Specimens - the best dissection experience from start to finish.

Ward’s® PURE Preserved Specimens - the best dissection experience from start to finish.

Ward's® PURE Preserved Specimens - the best dissection experience from start to finish.

Ward's® PURE Preserved Specimens - the best dissection experience from start to finish.

Ward’s® PURE Preserved Specimens - the best dissection experience from start to finish.

Ward’s® PURE Preserved Specimens - the best dissection experience from start to finish.