Join Date: Feb 2019
Posts: 11
A
2
3
4
5
and 6
7
8
9
10
,
industrial minerals and
jewelry industry.
Mosh scale:
T
- diamond
9
- corundum
8
- topaz
7
- quartz
6
- feldspar
5
- apatite
4
- fluorite
3
- calcite
2
- gypsum
A
- talc
Last edited by RD.POOR; 02-09-2019 at 04:54 AM.
