Question
Geology Question on Mineralogy
Which of the following is an amorphous variety of SiO2?
A
Quartz
B
Citrine
C
Agate
D
Opal
Answer
Opal
Explanation
Solution
The Correct answer is (D): OpalOpal
Which of the following is an amorphous variety of SiO2?
Quartz
Citrine
Agate
Opal
Opal
The Correct answer is (D): OpalOpal