2006-09-05 13:37:55 · 14 answers · asked by coco 1 in Science & Mathematics ➔ Earth Sciences & Geology
The hardest rock usually is quartzite, a rock made totally of quartz (H=7). The hardest mineral is Diamond (H=10).
2006-09-05 16:08:16 · answer #1 · answered by QFL 24-7 6 · 1⤊ 0⤋
On the Moh's scale of hardness of minerals (they make up rocks) a diamond is the hardest with the scale of 10.
2006-09-05 21:07:55 · answer #2 · answered by Bonnie R 2 · 0⤊ 1⤋
Deep Purple
2006-09-05 20:42:49 · answer #3 · answered by Anonymous · 0⤊ 1⤋
Granite is among the toughest but diamonds are the hardest natural substance.
2006-09-05 20:48:58 · answer #4 · answered by Anonymous · 0⤊ 0⤋
Bedrock
2006-09-05 20:44:04 · answer #5 · answered by retrodragonfly 7 · 0⤊ 1⤋
Hit you in the head?
2006-09-05 22:20:19 · answer #6 · answered by Anonymous · 0⤊ 1⤋
diamond
2006-09-05 20:39:55 · answer #7 · answered by Country Girl for Life 5 · 0⤊ 1⤋
cool
2006-09-05 20:39:36 · answer #8 · answered by angel 3 · 0⤊ 1⤋
thats great
2006-09-05 20:40:00 · answer #9 · answered by izbella_12 2 · 0⤊ 1⤋
Thank you.
2006-09-05 20:39:39 · answer #10 · answered by Jim S 5 · 0⤊ 1⤋