2361 - STREAK COLLECTION - 8 SPEC.

Some minerals leave a colored streak on unglazed tile, providing a clue to identifying that mineral. Examples of this property can be demonstrated with this collection. The 8 specimens are approximately 1”x 1-1/2” and are number-coded. The kit includes both dark and light streak plates. Grades 6-12.  Geology is a required STEM subject.