The streak for a diamond is colorless.
limestone has a white streak.
It leaves a scratch instead of a streak because Topaz has a higher number on the Moh's scale compared to the streak plate.
Flint would have a white streak.
I do not have a picture, but when you scratch aquamarine on a streak plate, the powder will be white colored.
dark streak
Diamonds Have No Streak AT All..
Diamonds are the hardest substance on Moe's Hardness Scale and as such don't have a determined streak color (since streak is determined usually by a clay tablet of hardness ~3)
The streak of a diamond is transparent.First of all, diamond is spelled 'diamond'. Next, diamond might seem like it has a streak when it scratches something but that is only a scratch. Diamonds do not have a streak.
a sapphire doesn't have a streak.
No, because they are rocks. Mineral rocks to be exact. Want more info? Keep reading... Diamonds are the hardest rock ever known Streak is colorless Level 10 on the Mohs scale Luster is Adamantine
Diamond does not streak. Anything with a Mohs hardness greater than about 7 will cut the ceramic plate used for the test. Diamond, the hardest naturally occurring substance, has a Mohs hardness of 10. (Nothing else in nature comes close.)
The tests you can do is the streak test, the luster test,the finger nail test(which is scratching it ti see if its hard or not).
Gem-quality diamonds are available in most every colour, most every shade of colour, including shades of colourless diamonds. You can read more about diamonds, including possible colours, below.
what is the streak of sedimentary rocks
there is no name for the color, but there is the "streak" of a mineral, meaning the color of its streak.
The lack of a streak would indicate that the mineral is harder than the streak plate, or the color of the streak is the same as the color of the streak plate.
a streak a streak