hardness of minerals , minerals , mohs hardness scale , softest metal , talc mineral , what is the hardest and softest mineral? , what is the softest rock , what is the softest thing in the world
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Answer ( 1 )
Talc is the softest mineral in the world. It has a hardness of one (1) on the Mohs Hardness Scale. Talc is a silicate (like many of the earth’s most important minerals), and contains magnesium and a bit of water along with the silica and oxygen.