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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.

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Itzel Brown

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βˆ™ 2y ago
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βˆ™ 7y ago

If the mineral is soft enough (less than about 7 on the Mohs scale), it will leave a streak. The streak color can be useful in identifying the mineral.

If the mineral is higher than 7 on the Mohs scale, it will not leave a streak, it will just scratch the plate.

(Your question didn't specify whether or not the plate was glazed; it should be unglazed for this to work properly.)

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βˆ™ 14y ago

This is called a streak test, and is done using the back of an unglazed white porcelain tile. It reveals the color of the mineral when powdered, which is occasionally quite different and a good identifier. Eg. hematite is black to the eye, but it's streak is red.

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βˆ™ 13y ago

Some will leave a streak indicating the true color of the mineral; others will scratch the unglazed porcelain due to their hardness.

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βˆ™ 11y ago

You're testing it's hardness.

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Lathen Silva

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βˆ™ 4y ago

it's streak

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βˆ™ 11y ago

streak test

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βˆ™ 10y ago

no,streak

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βˆ™ 11y ago

Hardness.

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Anonymous

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βˆ™ 3y ago

its like Mama mo and papa mo you know what they're doing 🤣

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Q: If you rub a mineral against a piece of porcelain tile what does this procedure tests the of the mineral?
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Is porcelain lighter when it's hot?

In comparable crockery, a porcelain piece would be lighter than a piece of stoneware. This is because porcelain items are usually made thinner than stoneware.


What chips less porcelain or stoneware?

Porcelain is a very fine and delicate clay body and as such is more likely to chip than stoneware which contains grog, a pre fired clay, that strengthens the piece.


Where can I find unique porcelain chess for a gift?

I have seen Gucci, Noblie and Llardo porcelain chess sets. There are plenty of mass-produces chess sets on today’s market, since the production of custom and handmade porcelain chess is hardly possible, due to the complexity of the manufacturing process and since a miniature sculpture is first made for each chess piece before the whole set. It is a long and expensive process. There are also several artisans, who make unique and limited chess sets. Noblie Collectibles has a nice collection of exclusive porcelain chess sets. The prices will be high, but the quality is at the highest level.


Type of unglazed ceramic material?

Unglazed pottery is called bisque or biscuit porcelain. Unglazed pottery is still popular and more expensive than the same piece which had been glazed because the unglazed pottery has to be perfect in every way without cracks. next time research on your own


Can cone 10 clay be fired to cone 5?

The cone rating of a clay or glaze is the temperature at which the clay matures. So if a cone 10 clay is fired to cone 5, the resulting pot will not be completely matured. This may or may not cause a problem, depending on what the piece is used for. For example, a cone 10 porcelain which is fired to cone 5 and not glazed will still be somewhat porous.

Related questions

12 One way to help identify a mineral is to rub it against a piece of porcelain tile This procedure tests the of the mineral?

By rubbing mineral against a piece of porcelain tile, the objective of the test is to observe the hardness of the mineral.


One way to help identify a mineral is to rub it against a piece of porcelain tile This procedure tests the of the mineral?

That procedure tests the streak of the mineral. Oddly, the streak color of some minerals are different from the mineral's color.


One way to help identify a mineral is to rub it against a piece of porcelain tile this procedure tests what?

The test described is called a streak test, and indicates the true color of a mineral as observed in a powdered form.


One way to help identify a mineral is to rub it against a piece of porcelain tile This procedure tests the of the mineral A streak B hardness C luster D cleavage?

The test is called a streak test and it leaves a powdered form of the mineral on the porcelain. The powdered mineral reveals the true color, of the mineral specimen, which may or may not match the color of the specimen.


How do you test a minerals streak?

By rubbing a mineral against a piece of unglazed porcelain tile From Prentice Hall textbook: Inside Earth


What is a piece of unglazed porcelain to test a mineral's streak called?

A streak plate


The color of the powder that a mineral leaves on a piece of white unglazed porcelain is called?

streak


What is a piece of unglazed porcelain used to to test mineral's streak?

It's called a streak plate.


How is streak a mineral?

By scraping the mineral against a piece of tile. The color of the mineral is actually sometimes completely different than the streak.


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

it's streak


How do you know a mineral's streak?

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 minerals streak determined.?

By scraping the mineral against a piece of tile. The color of the mineral is actually sometimes completely different than the streak.