Question

question 7 of 20 :
select the best answer for the question.

mohs hardness scale
chart with mineral name, scale number, common object

1. according to the mohs hardness scale, whats the approximate hardness of topaz?

a. 9
b. 10
c. 8
d. 7

mark for review (will be highlighted on the review page)

<< previous question next question >>

Explanation:

To determine the hardness of topaz, we refer to the Mohs Hardness Scale table. Looking at the "Mineral Name" column, we find "Topaz" and then check the corresponding "Scale Number" column. The scale number for topaz is 8.

Answer:

C. 8