Today you will use this chart to help you identify some common minerals, “instructed the science Teacher. Each group of students was given three minerals to identify. Lara and her partners were puzzled by one sample. It looked like several minerals in the chart. Raha thought it was calcite. How can the group be sure it is calcite? use the acid test

see if it breaks into sheets

see if it is attracted to a magnet

compare the color to other minerals