Lab: Mineral and Rock Classification

Question 1

Which property of minerals is the least reliable for identifying minerals?

Revolt · Accepted Answer

color

Question 2

I know because it has bands or is foliated.✔ I know because it is made of sediments.I know because it has very large grains.

Revolt · Accepted Answer

I know because it is made of sediments.

Question 3

✔ coarse-grained rocksfine-grained rocksnon-grained rocks

Revolt · Accepted Answer

coarse-grained rocks

Question 4

What does Gina’s group need to do to correct the information in the table?

Revolt · Accepted Answer

Goethite needs to be switched with pyrrhotite.

Question 5

Which list of minerals is grouped based on color?

Revolt · Accepted Answer

chalcopyrite, pyrrhotite, and pyrite

Question 6

Consider this group of rocks: granite, marble, and gneiss.What property was used to group these rocks?

Revolt · Accepted Answer

grain

Question 7

What kind of rock is shown in the picture? How do you know what type of rock it is?

Revolt · Accepted Answer

✔ sedimentary; Selection 1: sedimentary; Selection 2: I know because it is made of sediments.

Question 8

What kind of rock is this? Where would this rock most likely be formed? To which group of rocks would this rock belong?

Revolt · Accepted Answer

igneous; Selection 1: igneous; Selection 2: underneath Earth’s surface; Selection 3: coarse-grained rocks

Question 9

along the sides of a volcanoon the ocean floor✔ underneath Earth’s surface

Revolt · Accepted Answer

underneath Earth’s surface

Lab: Mineral and Rock Classification Answers