It's referred to as the streak, the color of which is used as an identifying characteristic of minerals.
a dusty white
The color of a mineral in powdered form is called its streak color. It is determined by rubbing the mineral against an unglazed porcelain plate to produce a streak.
The streak of a moonstone is white, that is if you are using the scientific term 'the color of a mineral in its powered form'.
The streak of the mineral is the mineral's powder color
The color of a mineral's powder found by scratching the mineral on a white tile is referred to as the mineral's streak color.
Streak is the color of a crushed mineral's powder. The color of a mineral's powder may differ from the actual color of the mineral. This property can be useful for mineral identification.Almost every mineral has an inherent streak color, no matter what color the actual mineral is.
Color is the observable color of a mineral specimen in natural light. Streak is the color of a mineral when powdered. The color of a specific mineral specimen may be different than its streak color. Because many impurities can alter the color of a mineral, but not the streak, streak is a more accurate predictor in mineral identification.
there is no name for the color, but there is the "streak" of a mineral, meaning the color of its streak.
The color of a mineral in powdered form is called the mineral's Streak
A mineral's streak is the color of the powdered form of the mineral, which is consistent regardless of variations in the mineral's surface color. This makes streak a more reliable identification tool than the mineral's exterior color, which can be influenced by impurities or variations.
The color of the powder left behind when a mineral is scratched is known as the mineral's streak color. It can sometimes be different from the color of the mineral itself, based on the mineral's chemical composition.
rock streak is the powered form of a mineral.