cleavage
the tendency of a mineral to break along straight lines
fracture
a break in a mineral that is not in a regular way
luster
the way a mineral reflects light
density
a measure of how much mass in an amount of space
color
most obvious property of a mineral but not always accurate
streak
the color a mineral leaves in powder form
hardness
how easily a rock can be scratched
igneous rock
rock formed when melted rock cools an hardens
sedimentary rock
rock formed when sedements are concreated togrther
metamorphic rock
rock formed by heat and peassure
magma
melted rock inside the earth
lava
melted rock outside the earth
fossils
reamains of plants an animals
sediments
bits of broken rock
rock
a nonlivig solid made up of more than one mineral
miniral
a nonlivig solid that occures in crystalline form