Molten rock under Earth's surface
Magma
This geologist created the method of comparing the hardness of minerals
Fredrick Mohs
The way the surface of a mineral reflects light
Luster
______ is the softest mineral
Talc
Formed when lava cools and solidifies
Igneous Rock
This is used to determine the hardness of minerals
Mohs hardness scale
Sandstone is what type of rock
Sedimentary
Obsidian is what type of rock
Igneous
Particles formed from weathering and erosion
Sediments
Settling out of sediment is called
deposition
Which layer of earth contain minerals
Lithosphere
Formed deep under ground by extreme heat and pressure
Metamorphic rock
This mineral property is easily identified by viewing
Color
Marble is what type of rock
Metamorphic
______ is the hardest mineral
Diamond
The process of rocks changing from one form to another
Rock cycle
this mineral has cleavage all in one direction
Mica
Rocks are made of minerals True or False
True
Molten rock found above Earth's surface
Lava
The color of a mineral in powdered form
Streak
Gluing or sticking together rock
Cementation
Minerals can be classified by ?
Physical Properties
Formed when particles of rocks are deposited in layers and are compacted and cemented together
Sedimentary rock
How do scientist use specific gravity in regards to minerals
to classify minerals
The way a mineral breaks
Fracture