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Streak

White streak
HaliteThere are hundreds of minerals that have a white streak. White, colourless, or light coloured minerals usually have a white streak, like halite (table salt) and talc (used to make talcum powder). But minerals that are highly coloured can also have a white streak. Fluorite can be purple, blue, green, yellow and pink in colour, but will always have a white streak.

It may be difficult to see the streak of hard minerals like corundum or diamond - they are not very easy to powder, but both have a white streak.

Fluorite Talc Diamond
Halite (top right), fluorite, talc and diamond are minerals with a white streak.

Return to the Streak plates to learn more about mineral streak.