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.