Minerals Flashcards
1
Q
Mineral
A
A substance that is formed naturally in the earth
2
Q
Streak
A
the color of a mineral’s powder when rubbed on something.
3
Q
Luster
A
the way a surface of a mineral reflects light
4
Q
inorganic
A
not derived from organic matter
5
Q
crystal
A
a solid formation that follows a pattern
6
Q
hardness
A
the ability for a mineral to be scratched or scratch by another mineral
7
Q
cleavage
A
the tendency of crystals to break along definite planes resulting in smooth surfaces
8
Q
fraction
A
a freshly broken surface that is ruff or irregular
9
Q
Mohs hardness scale
A
a hardness scale used to classify minerals
10
Q
formula
A
a set of chemicals symbols showing the makeup of a chemical compound
