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An introductory set of 12 different minerals that demonstrates the incredible diversity of color, texture, and hardness of mineral specimens. Display it in the classroom, or pass them around for students to examine - provides a visual and tactile experience that facilitates hands-on learning and discovery. Includes quartz, amethyst, howlite, honey calcite, orange calcite, orchid calcite, green quartz, rose quartz, jasper, sodalite, obsidian, and mahogany obsidian.