Earth Science - New York Regents January 2006 Exam
Base your answers to questions 42 through 46 on the two tables below and on your knowledge of Earth science. Table 1 shows the composition, hardness, and average density of four minerals often used as gemstones. Table 2 lists the minerals in Moh’s Scale of Hardness from 1 (softest) to 10 (hardest).
