Study Guide
Mineral quiz Thursday, February 12th.
1. _______Minerals__________________________ are the building blocks of rock
2. What is the most common mineral on earth? _______Quartz__________
True or false ______Quartz____________ has many different colors.
Mineral Uses:
3. The mineral Fluorite is used to make_____toothpaste_________________.
4. The mineral Talc is used to make_______baby powder_________________.
5. The mineral Halite is used to make _____table salt_____________________.
6. Which mineral are we able to write with?_________graphite____________.
What are the 5 criteria of minerals?
#1 The substance must exist as a _____solid_________________ under normal conditions.
#2 The substance must be ___________naturally_________________ occurring on earth.
#3 The substance must be ________inorganic______________________not living or made
from living things.
#4 The substance must have a fixed ___chemical____________________ formula, made of
specific elements. (Its own recipe)
#5 The atoms that make up the substance must be arranged in an
_______orderly______________________ structure (or a specific atomic arrangement)
7. What is the hardest mineral? _______diamond___________________________
It has hardness of 10 on Mohs scale.
Talc
is one of the sofest minerals it has a hardness of 1 on Mohs scale.
8. What are some of the physical properties geologist use to help them identify
minerals?_____color, hardness, density, luster, streak and breakage.
9. __Luster_________________ refers to the way light reflects from the mineral.
10. _____Density________________is mass divided by volume. gram/cm^3
11. ____Breakage__________ refers to how the mineral breaks or separates.
Example: Mica breaks in very thin layers.
12._____Streak___________ refers to the color of a mineral in powdered form
left on a porcelain tile.
13.____Hardness_______________ 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
14.
Color
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
_________internal ___________________________ arrangement of atoms.
16. We know minerals make up rocks. What makes up
minerals?______elements____________________________. (Most 2 or more)
17. Earth has about _____118__________ different elements.
18. _____Water displacement___ 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
soe of the minerals we discussed in class.