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Why do we use streak plates to test minerals?

Anonymous

∙ 16y ago

Updated: 6/11/2024

They show you the true color of the mineral. Small impurities can cause big changes in the color of a mineral.

Wiki User

∙ 16y ago

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What test do mineralogist use to identify minerals?

Mineralogists use various tests to identify minerals, including the Mohs hardness scale, streak test, color, luster, cleavage, and specific gravity. These tests can help in determining the physical and chemical properties of a mineral, which are then compared to known mineral data to make an identification.

What test do geologists use to determine the hardness of a mineral?

Geologists use the Mohs scale of mineral hardness to determine the relative hardness of a mineral by scratching it with minerals of known hardness. The scale ranks minerals from 1 (softest) to 10 (hardest) based on their ability to scratch or be scratched by other minerals.

What should you do if two rocks contain yellow minerals but you know they are different minerals?

You should perform a scratch test or a streak test to help identify the different minerals. Additionally, you can use a hand lens to examine the crystals and mineral structure of each rock to further differentiate the minerals. It may also be helpful to consult a mineral identification guide or seek assistance from a professional geologist.

Rubbing a mineral against a piece of unglazed ceramic tile is a test for .?

Rubbing the mineral against an unglazed ceramic tile, called a streak plate, leaves a streak of the powdered mineral. This powder reflects the true color of the mineral. It's called a streak test, and the resultant line of color is called the streak. A link can be found below to check facts and learn more.

What does mineral streak refer to?

Mineral streak refers to the color of a mineral when it is powdered and left as a trail on a porcelain streak plate. It helps identify minerals because different minerals produce distinct streak colors.

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Related Questions

What test do mineralogist use to identify minerals?

Mineralogists use various tests to identify minerals, including the Mohs hardness scale, streak test, color, luster, cleavage, and specific gravity. These tests can help in determining the physical and chemical properties of a mineral, which are then compared to known mineral data to make an identification.

What test do geologists use to determine the hardness of a mineral?

Geologists use the Mohs scale of mineral hardness to determine the relative hardness of a mineral by scratching it with minerals of known hardness. The scale ranks minerals from 1 (softest) to 10 (hardest) based on their ability to scratch or be scratched by other minerals.

What should you do if two rocks contain yellow minerals but you know they are different minerals?

You should perform a scratch test or a streak test to help identify the different minerals. Additionally, you can use a hand lens to examine the crystals and mineral structure of each rock to further differentiate the minerals. It may also be helpful to consult a mineral identification guide or seek assistance from a professional geologist.

Can you name the tests that scientists use to identify minerals?

hardness and streak

What are two tests scientists use to identify minerals?

hardness and streak

What does a mineral's streak tell and how do you test for it?

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.

What does a mineral and streak tell you and how do you test for it?

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.

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.

What does mineral's streaks tell you and how do you test for it?

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.

Rubbing a mineral against a piece of unglazed ceramic tile is a test for .?

Rubbing the mineral against an unglazed ceramic tile, called a streak plate, leaves a streak of the powdered mineral. This powder reflects the true color of the mineral. It's called a streak test, and the resultant line of color is called the streak. A link can be found below to check facts and learn more.

What is a specific test geologist use to identify minerals?

Geologists commonly use the Mohs hardness test to identify minerals. This test involves scratching the mineral against a set of reference minerals with known hardness values, ranging from talc (1) to diamond (10). By determining where the mineral falls on this scale, geologists can gain insight into its identity. Other tests, such as streak, luster, and specific gravity, may also be employed for a more comprehensive analysis.

What are the the tests scientists use to identify minerals?

Hardness test based on the Mohs Scale of relative mineral hardness, specific gravity, streak test for mineral color, classification of mineral crystal system, chemical analysis.

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