streak
hardness
hardness
By rubbing mineral against a piece of porcelain tile, the objective of the test is to observe the hardness of the mineral.
You identify minerals through a streak test. This involves taking the tile and the mineral to be identified and rubbing them together. This produces a colored streak on the tile, which can be used to identify the mineral. Consult a field guide for specific colors.
The 5 hardness mineral would like suffer scratches or abrasion.
hardness
hardness
it's streak
By rubbing mineral against a piece of porcelain tile, the objective of the test is to observe the hardness of the mineral.
no.
You identify minerals through a streak test. This involves taking the tile and the mineral to be identified and rubbing them together. This produces a colored streak on the tile, which can be used to identify the mineral. Consult a field guide for specific colors.
By rubbing a mineral against a piece of unglazed porcelain tile From Prentice Hall textbook: Inside Earth
by rubbing the mineral on a rough hard surface
by rubbing the mineral on a rough hard surface
Quartz!
quartz
Abrasion is known as a friction burn, caused by the skin rubbing against a rough surface, resulting in the removal of the superficial layers of the skin.