rocks and minerals

26 cards·by madash12

Study this deck

core

central part of the earth

crystal

substance with flat surface and angled sides

fossil

remains, impressions, or other evidence of living things perserved in rock

fossil fuel

something formed from a once a living thing

an example of fossil fuel

coal

mantle

the layer of the earth between the crust and the core

weathering

breaking down of rocks to form sediments

geology

study of the earth

geologist

studies of rocks and minerals

what are minerals

a nonliving, solid substance found in nature it isnt man made

what are rocks

mixtures of the different minerals and other materials

three types of rocks

igneous, sedimentary, metamorphic

igneous rocks

formed from magma that cooled ex. granite and lava

sedimentary rocks

formed from pieces of rocks shells or the remains of other animals ex limestone coal and sandstone

metamorphic rock

changed into a new rock by heat and pressure ex marble

three types of sedimentary rocks

clastic rocks organtic rocks chemical rocks

mohs scale of hardness

scale for comparing the hardness of minerals with one another

six main crystal shapes

monoclinic triclinic orthorhombic cubic hexagonal tetragonal

identify minerals

hardness of minerals,the luster of a minerals,acid test,cleavage and fracture test

hardness

resistance of a minerals to being scratched

hardest minerals

diamonds

streak test

color of a powdered mineral when it is rubbed across unglazed ceramic tiles it is true color

luster of minerals

how a mineral reflects light from its surface

acid test

to confirm the presence of calcium carbonate in rocks

cleavage

splitting of minerals along smooth flat surfaces

fracture

breaking of a mineral that forms jagged uneven edges