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The streak of a mineral can distinguish between two samples that have the same color. The streak is often a different color. To test streak, use a streak plate. This is a piece of unglazed porcelain, like the back side of a tile.
Kaylah Ward
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∙ 9y agoThe streak of a mineral can distinguish between two samples that have the same color. The streak is often a different color. To test streak, use a streak plate. This is a piece of unglazed porcelain, like the back side of a tile.
Wiki User
∙ 12y agoA mineral streak tells you what gem it is. It also tells you whether it is real or not.
Wiki User
∙ 10y agoA mineral's streak is a test to see what kind of mineral you have by using the color. You would streak or scratch the mineral against a streak plate for significant results.
Wiki User
∙ 12y agoRob it on a pale white Glass and what colour the mineral produces is its streak
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What property is the least useful in identifying minerals?
there are a few : hardness, luster, cleavage, streak, color, and density. there are more but i don't know them off the top of my head.
Can all minerals produce a streak on a porcelain plate?
Those minerals that are harder than the unglazed porcelain streak plate will scratch it rather than leave a streak.
What is the difference between a minerals hardness and streak?
A minerals hardness is the ability to scratch or be scratched by other minerals and streak is the colored powder of a mineral that comes off when being scratched.
What two minerals are colorless and have a colorless streak?
Quartz is the only one mineral in which leaves a colorless streak
Which minerals on the Mohs scale will not leave a streak on the streak plate?
Topaz (8), corundum (9), and diamond (10).
Does gabbro have a streak?
Only minerals have a streak, not rocks. The constituent minerals of a gabbro will all have a streak.
Why is streak an important physical property of minerals?
A streak test is used to determine a minerals streak color. This can help in the identification of minerals.
Does the streak test work with all minerals?
No it does not work with all minerals. For if you did not know streak plates have a hardness of 7 (maybe a little lower or higher) on the Mohs scale. Some minerals are harder than 7 though. If they are harder they will not work with the streak test. some examples are Diamond, topaz, and corundum.
What property is the least useful in identifying minerals?
there are a few : hardness, luster, cleavage, streak, color, and density. there are more but i don't know them off the top of my head.
What should you do if two rocks contain yellow minerals but you know they are different minerals?
You can look at the streak, specific gravity, and if it have cleavage or not.
Why do some very hard minerals leave no streak?
Some minerals are harder than a streak plate and will therefore leave no streak or the powder of the ceramic streak plate.
What is the color of a mineral in powder form?
It's called the minerals streak
Can all minerals produce a streak on a porcelain plate?
Those minerals that are harder than the unglazed porcelain streak plate will scratch it rather than leave a streak.
What test is used to identify a minerals color?
A streak test is used to determine a minerals streak color. This can help in with the identification of minerals. A streak test is performed by rubbing the mineral on an unglazed ceraminc tile, then observing the color of the streak which is left behind. All minerals do not leave streaks. Harder minerals will not streak, but this can also be used as a tool for identifying the mineral, if you are familiar with the hardness scale.
Why can't the streak test be used to identify all minerals?
Because some minerals dont have a streak, or may share a streak colour with another mineral.
What is the color of a minerals powder called?
there is no name for the color, but there is the "streak" of a mineral, meaning the color of its streak.
What kind ok streak do metallic minerals generally have?
dark streak
