chapter 26 Flashcards
1
Q
naturally occurring inorganic solid with a crystalline form
A
mineral
2
Q
the color or a mineral in powdered form
A
streak
3
Q
a mineral breaks along preferred planes of weakness creating sets of smooth parallel sides
A
cleavage
4
Q
minerals that break with irregular surfaces exhibit fracture
A
fracture
5
Q
the physical property that measures a material’s resistance to scratching
A
hardness
6
Q
molten rock material inside earth
A
magma
7
Q
what are the two mineral groups
A
silicates and non-silicates
8
Q
which group is the most abundant
A
silicates
9
Q
non silicate do not contain
A
silicon
