20-Piece Igneous, Metamorphic and Sedimentary Rock Specimen Set in Laminated Box Chemical_Hydrochloric Acid 5-inch slots arrayed on a

5-inch slots arrayed on a 20-inch polished hardwood stand accommodate simultaneous gravity filtrations across student workstations in chemistry classrooms

500mL borosilicate 3

and microscope slides

5 mL in a two-tier stackable frame

a 45mm hollow equilateral acrylic prism holds varied liquids for refraction-index-by-medium investigations

20-Piece Igneous, Metamorphic and Sedimentary Rock Specimen Set in Laminated Box Chemical_Hydrochloric Acid 5-inch slots arrayed on aTwenty specimen set spans igneous, metamorphic, and sedimentary rock types in a laminated display box for introductory geology classroom instruction.