Multiple Choice
The mineral quartz is distinctive because it consists of:
A) a three- dimensional framework in which the silicon atoms are often replaced with atoms of aluminum, potassium, sodium, or calcium.
B) a three- dimensional framework composed entirely of silicon and oxygen.
C) independent tetrahedra composed entirely of silicon and oxygen.
D) independent tetrahedra in which the silicon atoms are often replaced with atoms of aluminum, potassium, sodium, or calcium.
Correct Answer:

Verified
Correct Answer:
Verified
Q34: One carbon isotope has 6 protons, 8
Q35: Many minerals are important in our everyday
Q36: Fracture in a mineral indicates:<br>A) brittle nature
Q37: The most important (i.e., most abundant) mineral
Q38: In metallic bonding, which of the following
Q40: Olivine is a common, iron- bearing silicate
Q41: In a crystal structure, which of the
Q42: A mineraloid is the same as a
Q43: Which of the following is the most
Q44: The purpose of rubbing a mineral across