This is the definition of the physical property called streak. The actual color varies depending on the mineral, which is why it is used as an identifying property.
The color of a mineral in powdered form is called the mineral's Streak
hardness
Streak
The powder indicates the true color of the mineral and is an aid in mineral identification. That can also be called a streak.
The color of a mineral in powdered form is called the mineral's Streak
A streak test.
the answer is STREAK
A streak test.
Streak
color of the powdered form of the mineral
The powder indicates the true color of the mineral and mineral identification. That is also known as streak.
Fluorite's streak is white because that is the true color of the powdered form of the mineral. The impurities that cause color or tint in a mineral specimen are so insignificant in relation to the true mineral content that they are not visible when powdered.