Mineral identification through step-by-step testing is explored. The teacher’s reference chart uses graphics and mounted mineral specimens to assist students in identifying unlabeled mineral specimens. As each specimen is identified, each student progresses toward the completion of his or her individual chart (18” x 24” in wood frame). This kit contains 18 specimens that are 1 1/4". Grades 6+, Ages 11+. Geology is a required STEM subject.