Ward's® Igneous Rock Set of 18
Igneous Rock Set of 18
470106-756
Includes: six each of obsidian, pumice, and basalt. Set of 18.
Common rocks and minerals for testing and identification studies are 2–3cm each.
- Description:Igneous Rock Set of 18

Includes: six each of obsidian, pumice, and basalt. Set of 18.
Common rocks and minerals for testing and identification studies are 2–3cm each.