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When a minerals color is changed by weathering its streak also changes true or false?
Wiki User
∙ 14y ago
False. No matter what happens to the mineral, the streak will always remain the same.
Wiki User
∙ 14y ago
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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.
What color is porcelain dishes?
Different minerals produce different colour powders (know as the mineral's 'streak') when scratched. For instance, hematite has a red streak, calcite has a white streak and graphite has a black streak. There is also variation within some minerals, depending on impurities. It should be noted that some minerals are too hard to be scratched by porcelain, and will instead powder the porcelain, producing a misleading white streak.
What color of streak is produced by galena and hematite?
Galena's streak is gray, hematite's streak is deep maroon/brown.
What is the streak color of a ruby?
The streak of a ruby is white.To find the streak of a ruby, or any gem stone, rub a piece of gem material on a tile and look at the color of the streak it leaves.
What is emeralds streak color?
An emeralds streak is believed to be white, green, and/or yellow.
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.
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
What are 2 minerals that don't leave a streak on a streak plate?
A streak plate has hardness of 7 on the Mohs scale, so harder minerals will not leave a streak. Diamond has a hardness of 10 and corundum is 9 - so neither will leave a streak.
Why do we use streak plates to test minerals?
They show you the true color of the mineral. Small impurities can cause big changes in the color of a mineral.
Which is the color of powered minerals?
streak
