Minerals Flashcards
0
Q
Streak
A
True color of a mineral rubbed on a streak plate
1
Q
6 ways a crystal can form
A
Isoclinic Hexagonal Tetragonal Orthrombic Triclinic Monoclinic
2
Q
Luster
A
The way a mineral reflects light
3
Q
Clevage
A
The predictable way a mineral breaks
4
Q
Basil clevage
A
Breaks by layers
5
Q
Fracture
A
Unpredictable way a mineral breaks
6
Q
Concoidal fracture
A
When it breaks to form lines
7
Q
Minerals are _______ occurring
A
Naturally
8
Q
Minerals are _______
A
Inorganic
9
Q
Ice is a mineral?
A
Yes
10
Q
Minerals that have economic value to the military and industry are called ?
A
Strategic minerals
11
Q
The least reliable property is ?
A
Color
12
Q
What is the hardest substance on earth ?
A
Diamond
13
Q
Hexagons have
A
6 sides , 60” 120”
14
Q
Where do all diamonds come from ?
A
South Africa
