50 specimens in the following groups: Igneous, Sedimentary and Metamorphic Rocks, Ores, Gemstones and Minerals in the Scale of Hardness, all clearly numbered and labeled. Includes a Rock and Mineral guide. Specimens are approx of 3cm in size Stored in a compartmented tray to hold the specimens.
Note: Only 49 specimens are included in this set. The amphibolite specimen has been removed as it is deemed a potential hazard in Australia (being a likely asbestos derivative).