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What happens if you rub the mineral across a streak plate but the mineral does not leave a streak?
Wiki User
∙ 15y ago
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.
Wiki User
∙ 15y ago
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The calor a mineral leaves when it is rubbed across a plate?
Streak is the color of the finely powdered mineral when rubbed across a plate. Streak is one of the physical properties of minerals used to identify which specific mineral it is. Some minerals leave a completely different color streak than the original color of the whole mineral.
What is a streak when it comes to talking about science?
'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.
What happens to the liquid when you leave a solution in a warm place?
it evaporates which means it turns into water vapour
Why cant you rely on any single test or property when you are trying to identify a mineral?
Different minerals can share many, but not all, mineral characteristics. Characteristics would include hardness, streak color, crystal shape, reactions to acids, flame tests, density, and others.
What happens when you put soil in a bottle then leave it in the sun for a day?
it will go all hard and stale in the sun
The calor a mineral leaves when it is rubbed across a plate?
Streak is the color of the finely powdered mineral when rubbed across a plate. Streak is one of the physical properties of minerals used to identify which specific mineral it is. Some minerals leave a completely different color streak than the original color of the whole mineral.
Will diamond leave a streak on a streak plate?
Diamond will not leave a streak on a porcelain streak plate because diamond is harder than the streak plate. It will leave a scratch on the streak plate for the same reason.
Will graphite leave a clear streak?
Graphite is a mineral that does not leave a clear streak.
Do all mineral leave a streak?
Shale is a type of rock, not a mineral. Streak is used to help classify minerals. It can leave a streak, but it doesn't mean anything.
Which group of minerals is streak most useful for?
The colour of the streak left by a mineral is one of the features used to identify it. For instance, haematite leaves a red streak, malachite leaves a light green streak, while quartz, calcite and gypsum all leave a white streak.
What color streak does the mineral nickel leave?
Nickel leaves a silver-gray streak. Note that nickel is an element.
If a mineral doesn't make a streak is it not a mineral?
Minerals with a hardness greater than around 7 on the Mohs hardness scale will not leave a streak on a standard unglazed porcelain streak plate. They will instead scratch and powder the streak plate.
How is a minterals streak determinded?
Streak color is determined by scraping the mineral across a a streak plate, (which is made of unglazed porcelain), and then observing the color of the streak, which is left on the plate. Note that some minerals do not leave a streak, as they are too hard. Thus, it is important to learn other identification methods, to use in conjunction with streak color, in order to identify minerals.
Why doesn't the mineral topaz leave a streak on a streak plate?
It leaves a scratch instead of a streak because Topaz has a higher number on the Moh's scale compared to the streak plate.
Why could the streak of corundum be difficult to determine?
The mineral corundum, with a Mohs hardness of 9, will be harder than a ceramic streak plate and therefore leave no streak.
What is a streak when it comes to talking about science?
'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 mineral talc is soft enough to leave a streak on paper and is commonly used in?
Graphite
