Question Info

This question is public and is used in 95 tests or worksheets.

Type: Open-Ended
Category: Minerals
Level: Grade 9
Score: 2
Author: der1228
Last Modified: 12 years ago

View all questions by der1228.

Minerals Question

View this question.

Add this question to a group or test by clicking the appropriate button below.

Grade 9 Minerals

In terms of gemstones and in your own words, what is the definition of hardness?