Pencil lead is
graphite
A diamond is unique because
no other mineral can scratch it
You can use _______ to tell gold is different from pyrite
streak
Where are most minerals are found?
mixed with other minerals in rocks
What is strip mining?
removing long patches of soil
Because the _______ of a mineral varies, it's not the best way to identify minerals.
color
The color of the mark that a mineral leaves on a streak plate is the _______
streak
_______ measures how well a mineral resists being scratched
hardness
What is the basic shape of a mineral?
crystal
Minerals reflect light to show if they are shiny or dull
luster
Hardness is measured on the _______ scale
Mohs
Minerals that break with a smooth, flat surface
cleavage
What is it called when you compare a minerals weight to weight of water?
specific gravity
Minerals that break unevenly, jagged edges
fracture
What is a mineral?
element that a occurs naturally as a solid
Name 5 common elements
gypsum, aluminum, talc, quartz, pyrite, dolomite, etc
