Quiz 11 Flashcards
(4 cards)
1
Q
This is the name of the rarest,most durable and beautiful gems
A
Precious stones
2
Q
This is the term for any rock containing a metal together with impurities
A
An ore
3
Q
This is the name of the hardest of all known minerals
A
Diamonds
4
Q
This is the most commonly used metal
A
Aluminum
