Question 1
The first minerals to be mined (over 6000 years ago) were ________ and ________.
◦ lead; quartz
◦ copper; bronze
◦ flint; chert
◦ gold; silver
Question 2
Which of the following is
not a criterion for defining something as a mineral?
◦ generally inorganic
◦ hard
◦ orderly crystalline structure
◦ naturally occurring