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.