Minerals Flashcards
1
Q
Formula
A
a set of chemicals symbols showing the makeup of a chemical compound
2
Q
Mineral
A
A substance naturally formed in the earth
3
Q
streak
A
the color of a mineral when rubbed against a porcelain plate
4
Q
luster
A
the way a mineral reflects light
5
Q
inorganic
A
not from a living thing
6
Q
Crystal
A
a solid rock that follows a pattern
7
Q
hardness
A
the ability to be scratched by another mineral
8
Q
cleavage
A
when rocks break into smooth surfaces
9
Q
Fracture
A
an appearance of a freshly broken mineral
10
Q
Mohs hardness scale
A
a hardness scale used to classify minerals
