Clear Examples of a Key Method of Identification
The powder a mineral produces is at times a different color from the mineral itself. Samples in this set were chosen for dramatic color and streak. The set is housed in a compartmented collection box, and an identification list is included.Contents:9 numbered samples, 1" x 2"; streak plateMinerals:chromite, galena, hematite, limonite, microcline, pyrite, rose quartz, sphalerite, sulfur