What are the two main ways that minerals are classified?


Question 2 options:


chemical makeup and how they can be used



how they can be used and how rare they are



how they can be used and the country they are found in



chemical makeup and crystal lattice structure



Question 3




oxygen, silicon, iron



silicon, iron, aluminum



iron, aluminum, magnesium



oxygen, silicon, aluminum



Question 4




industrial mineral



silicate



ore



gem-bearing mineral




Question

From where do the gems used in jewelry come?


Question 5 options:


They are metallic minerals.



They are nonmetallic silicates.



They are metallic ore.



They are nonmetallic minerals.