Q840
Softest mineral is
A.
Kaolinite
B.
Diamond
C.
Talc
AnswerD.
Bentonite
Answer: Option C
Solution
Answer: Option C
Solution:
The Softest mineral is Talc. This softest mineral position is given at bottom of Moh's scale of Hardness with a relative hardness value of 1. It has a soapy, greasy feel.Talc is formed by the hydrothermal alteration of ultrabasic rocks or low-grade thermal metamorphism of siliceous dolomites.