Question

question 3 of 5
which two minerals shown have a glassy luster?

a

b

c

d

a. a
b. b
c. c
d. d

Explanation:

Mineral B (quartz) and Mineral C (kyanite) have a glassy luster. Luster describes how a mineral reflects light. Glassy luster (vitreous luster) is common in many transparent - translucent minerals. Quartz often has a glassy appearance, and kyanite also typically exhibits a glassy luster. Mineral A (pyrite has a metallic luster), and Mineral D (sulfur has a resinous luster).

Answer:

B. B, C. C