Question

8. What is a streak test?​

Answer 1

Answer:

The "streak test" is a method used to determine the color of a mineral in powdered form. ... The streak test is done by scraping a specimen of the mineral across a piece of unglazed porcelain known as a "streak plate." This can produce a small amount of powdered mineral on the surface of the plate.

Explanation:

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Answer 2

The streak test is a method for determining the colour of a powdered mineral.

Explanation:

• The streak test involves rubbing a mineral specimen across a glazed porcelain plate known as a "streak plate." This may result in a little amount of powdered mineral on the plate's surface.
• The "streak" is the colour of that mineral's powder. The streak test should be performed on clean, unweathered, or recently shattered mineral specimens.
• this is done to eliminate the potential of contamination, worn coating, or tarnish interfering with the test results.