sience

tm

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