Study Guide

Mineral quiz Thursday, February 12th.

1. ______________________________________ are the building blocks of rocks.

2. What is the most common mineral on earth? _____________________

True or false _________________________ has many different colors.

Mineral Uses:

3. The mineral Fluorite is used to make_________________________________.

4. The mineral Talc is used to make_____________________________________.

5. The mineral Halite is used to make __________________________________.

6. Which mineral are we able to write with?____________________________.

What are the 5 criteria of minerals?

#1 The substance must exist as a _________________________ under normal conditions.

#2 The substance must be _________________________________ occurring on earth.

#3 The substance must be _________________________________not living or made from living things.

#4 The substance must have a fixed ___________________________ formula, made of specific elements. (Its own recipe)

#5 The atoms that make up the substance must be arranged in an _________________________________________ structure (or a specific atomic arrangement).

7. What is the hardest mineral? ______________________________________________

It has hardness of 10 on Mohs Scale. _________________________is one of the softest mineral it has a hardness of 1 on mohs scales.

8. What are some of the physical properties geologist use to help them identify minerals?__________________________________________________________________________________

9. _____________________ refers to the way light reflects from the mineral.

10. _____________________ refers mass divided by volume. gram/cm^3

11. _____________________ refers to how the mineral breaks or separates. Example: Mica breaks in very thin layers.

12.______________________ refers to the color of a mineral in powdered form left on a porcelain tile.

13.________________________ refers to a measure of how difficult it is to scratch a mineral: Diamonds are the hardest mineral. They have a hardness scale rating of 10. Talc is the sofest mineral it has a hardness of 1.

14. _______________________is also a property geologist use, however it is the least reliable when identifying minerals. Some minerals come in many colors, Example: Quartz.

15. All of the above physical properties of a mineral result from the ____________________________________ arrangement of atoms.

16. We know minerals make up rocks. What makes up minerals?_____________________________________. (Most 2 or more)

17. Earth has about _______________ different elements.

18. __________________________________________ ___ is away to find the volume of irregular shaped objects. ***Write down the 1st water level, drop the object in, write down the 2nd water level, subtract the 2 to get the volume.

****Use the periodic table to identify the chemical composition (recipe) of some of the minerals e have discussed in class.