Multiple choice general knowledge

What is the softest of all minerals?

  1. Gold

  2. Talc

  3. Silver

  4. None

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Talc is the softest mineral on the Mohs hardness scale, with a hardness value of 1. This means it can be scratched by all other minerals. Gold and silver are metals with much higher hardness values (gold is 2.5-3, silver is 2.5-3 on the Mohs scale).