streak
The streak of jade is typically white or a pale color. This streak can help distinguish jade from other similar-looking stones during the identification process.
A streak test is not used to identify minerals with a hardness greater than 7 on the Mohs scale, as these minerals can scratch the streak plate. Additionally, streak tests may not be effective for identifying minerals that have a streak color similar to the streak plate itself.
streak.
a sapphire doesn't have a streak.
The surface of the pure and fresh (non-oxidized) uranium metal is similar to surface of a steel.
'streak' is the color that a mineral will leave when rubbed on a piece of unglazed porcelain. It is used to help identify the mineral. For example, arsenopyrite looks very similar to gold, but has a dark grey or black streak. Gold has a yellow streak.
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.
Basically, a "hot streak" can refer to a team which is winning a bunch of games in a row. Also, it is used to refer to a player who has been scoring in a number of consecutive games, in effect on a "hot streak"!
Pyrite's color is extremely similar to that of gold. However, the streak of pyrite is black. This can be used to distinguish it from gold.
To obtain a minerals streak you would get a piece of the mineral and rub it against something that is strong enough to erode a little of it.
Streaking is used in microbiology to isolate a strain from a species of bacteria, so that this sample can be grown on a new culture.. Streak plates are used in this process to great effect.