2 Answers

Kalob Taulien · Answer 1 · 2021-11-05T02:32:50+0000

Answer: 5.5

Step-by-step explanation:

Several hardness scales have been developed to catalog the materials (specifical minerals), being the Mohs scale the best known. This scale, proposed by the German geologist Friedrich Mohs in 1825, consists of a ratio of ten minerals numbered in increasing order by hardness, from least to greatest.

Subham Debnath · Answer 2 · 2021-11-10T02:39:08+0000

Answer:

5.5 to 7 Mohs

Step-by-step explanation:

Glass ranks around 5.5 to 7 Mohs, but sapphire crystal has a hardness of 9 Mohs, making it only slightly less hard than diamond.

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

2 Answers

0 Comments

Please log in or register to add a comment.

0 Comments

Please log in or register to add a comment.

Other Questions