a sapphire doesn't have a streak.
The streak color of calcite is white.
Onyx's streak is white.
Topaz will leave a streak, it is just that the streak is white and will therefore not be apparent against the white background of the standard streak plate.ALSOTopaz is harder than unglazed porcelain (the streak plate), and therefore normally leaves a scratch rather than a streak.
It leaves a white streak.
The streak of Jade is white.
white white white
its a white streak.
Mica has a white streak.
its streak is white.
the streak color is Dark Green
a sapphire doesn't have a streak.
talc has a white streak
Aluminum's streak is white.
talc has a white streak
The streak of Jade is white.
Mica has a white streak.