Question

I will give 5 stars, thanks, and Branliest if there are two answers!!

Answer 1

Answer:

a mineral is scraped or rubbed hardly on sandpaper or unglazed porcelain

( please mark me as brainliest that would be most appreiciated )

Answer 2

Answer:

The streak test is done by scraping a specimen of the mineral across a piece of unglazed porcelain known as a " streak plate."

Explanation:

The "streak test" is a method used to determine the color of a mineral in powdered form. The color of a mineral's powder is often a very important property for identifying the mineral. The streak test is done by scraping a specimen of the mineral across a piece of unglazed porcelain known as a " streak plate."