Question

a geologist working in a national park finds a mineral. He is caring a kit that contains a Penney, a hand lens, a geologist hammer, and a jackknife. describe how the geologist can use these items determine some of the minerals chartist
John
Use the penny to determine its hardness.
Hal
The penny to compare the hardness. The hand lens for hardness and luster. The tile to rub it on to get a powder streak for color. The hammer to break it to identify fractures. The pocket knife to see if it is brittle, flexible, or elastic.