Rock cycle
Igneous rock
Crystal
Cleavage
Intrusive rock
Mineral
Ore
Sedimentary rock
Hardness
Inorganic
Metamorphic rock
Magma
Streak
Fracture
Cementation
Petrologist
Sediment
Compaction
Extrusive rock
Gem
Breaking of a mineral along rough, jaggered surfaces
Rock formed by the cooling and hardening of magma
Breaking of mineral along smooth, definite surfaces
Igneous rock formed from lava at the earth's surface
Small pieces of rock, shells, or remains of plants and animals that have been carried along and deposited by wind, water and ice.
Naturally occuring substance formed in the earth
Composed of material that is not and never was living
Ability of a mineral to resist being scratched
Process by which layers of sediments are pressed together to form sedimentary rocks.
Solid formed from a repeating pattern of atoms
Scientist who studies rocks, and their mineral composition
Process by which sediments are cemented together by minerals dissolved in water to form sedimentary rocks
Igneous rock formed deep within the earth,
Rock deposit that contains minerals that can be mined as a profit
Rock formed when sedimentary or igneous rocks are changed due to heat, pressure, or chemical reactons.
Continuos changing of rock from one type to another
Color of the powder left behind when a mineral is rubbed against a hard rough surface
Hot liquid rock beneath the earth's surface
Mineral that is rare beautiful and durable
Rocks fromed from sediments that have been pressed and cemented into rock