1. Identify minerals
A. Each mineral has its own
specific property
B. fig. 4, pg. 111
"all that
glitters is not gold" explain
2. Mohs scale of hardness
A. ranks 10 minerals from softest
to hardest
B. fig. 5, pg. 112
What are the
10 minerals?
talc, gypsujm, calcite, fluorite, apatite, feldspar,
quartz, topaz, corundum, and diamond
3. Color
A. fig.
6, pg. 112
Quartz comes in many colors
4. Luster
A. fig.
7, pg. 113
metallic vs. silky
5. Crystal shape
A. fig.
8, pg. 114
properties of some common minerals
6. Cleavage and fracture
A. Fig.
9, pg. 115
quartz vs. feldspar
Left side
Properties of minerals wksht.
Discuss small cyrstals vs. large crystals - pg. 119
Slow Cooling
Fast Cooling
cools over long period of time
cools in short period of time
large crystals form
small crystals or no crystals form
regular pattern
little to no pattern
deep below surface
closer to surface
Left side
Discover activity pg. 118
answer - Think it over