mineral vocab Flashcards
1
Q
mineral
A
a substance that is formed naturally in the earth, is inrganic, has a definite chemical composite and has a crystal structue.
2
Q
streak
A
the color of a mineral powder when it is rubbed agenst a porcelain plate
3
Q
luster
A
the way the surface reflects the light
4
Q
inorganic
A
not dry from living mater
5
Q
crystal
A
a solid form that follows a pattern
6
Q
hardness
A
the abilty of a mineralto scratch or be scratched by another mineral
7
Q
cleavage
A
the tendency of crystals and minarls to break along definet planes rusalting in smoth serfaces.
8
Q
fracture
A
the apperance of a freshly broken surface on a mineral that has a rough or ireguler surface
9
Q
mohs hardness scale
A
a hardness scale used to clasify minirals
10
Q
forula
A
a set of chemicals symbals showing the makeup of a chemical compound
