Which of the following properties would be the most effective means of mineral identification for the mineral pyrite known as fool's gold?
A) Cleavage
B) Taste
C) Color
D) How it reacts to acid
E) Streak color

Question

Quizplus · Accepted Answer

Fool's gold, or pyrite, has a distinct streak color of greenish black. This property would be the most effective means of mineral identification for this particular mineral. Other properties, such as cleavage or reaction to acid, may not be as reliable or distinct for identifying pyrite.

Which of the Following Properties Would Be the Most Effective