Chemical Engineering - Materials and Construction - Discussion
Discussion Forum : Materials and Construction - Section 1 (Q.No. 22)
22.
The hardest material just prior to diamond in Mho's scale is
Discussion:
1 comments Page 1 of 1.
Shyam92 said:
1 decade ago
Talc.
Gypsum.
Calcite.
Flurite.
Apatite.
Feldspar.
Quartz.
Topaz.
Corrundum.
Diamond.
Gypsum.
Calcite.
Flurite.
Apatite.
Feldspar.
Quartz.
Topaz.
Corrundum.
Diamond.
(2)
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