COPPER hopper
The test of a mineral that determines the resistance of a miner to being scratched
hardness test
a chart that compares the hardness of common materials to the hardness of minerals.
What is the Mohs Hardness Scale?
Color, hardness, streak, cleavage/fracture, and luster.
What are 5 ways to identify a mineral?
Color of a mineral can be deceiving because the same mineral can be several different colors AND many minerals are the same color.
What is the least reliable way to identify a mineral?
What is the difference between cleavage and fracture?
Cleavage is the way a mineral will break in smooth straight sheets. Fracture is the way a mineral will break in uneven chips.