| Article number: | 20691 |
| Availability: | In stock |
Children will learn to look for luster, (the way a mineral reflects light), hardness (measured on the Mohs scale), and color (with a streak test). This starter kit includes 15 numbered specimens that represent the full range of types of minerals, a small magnifier, a nail and tile for testing, and activity guide offering more test ideas for further study, all neatly packed in a sturdy box