Rocks & Minerals Quiz

Which is are layers of the Earth?
Crust
Mantle
Malachite
Core
Quartz
What is the name of the category of rocks that come from hardened lava?
What are rock formations coming from the top of a cave called?
Stalactites
Stalagmites
Which mineral is the highest on the hardness scale?
Talc
Topaz
Calicite
Diamond
Calicite
Sapphires are only ever blue.
True
False
Which minerals are NOT birthstones?
Topaz
Diamond
Emerald
Quartz
Olivine
Amethyst
Garnet
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