Minerals Flashcards
1
Q
Must exist as a solid at __ degrees
A
25
2
Q
Must be ____________, not man-made
A
Naturally Occurring
3
Q
The substance must be ______, non-living or made indirectly from living things
A
Inorganic
4
Q
Must have a __________________
A
Fixed Chemical Formula
5
Q
The atoms that make this up must be arranged in a _______ structure.
A
Fixed
6
Q
Done by looking at the rock with the naked eye, not reliable.
A
Colour
7
Q
Done by scraping a mineral against an unglazed ceramic tile.
A
Streak
8
Q
Very reflective and shiny, looks like metal
A
Metallic
9
Q
Not reflective and looks dull
A
Non-Metallic
10
Q
Breaks in a formation like way
A
Cleavage
11
Q
Breaks apart randomly
A
Fracture
12
Q
Moh’s Hardness scale
A
Hardness
13
Q
Copper
A
3+
14
Q
Glass
A
5.5+
