MID-TERM Flashcards
Minerals
Natural, solid, inorganic, definite chemical comp, crystal structure due to internal arrangement of atoms
scientific method
Question, test, analyze, conclude
Mineral formation
In Magma, evaporation, and pressure
Mineral hardness
Abi,it’s to scratch another mineral
Crystal shape
External structure due to internal structure of the atoms
Luster
Describes how light reflects off of the mineral
Color
results from ability to absorb some wavelengths and reflect others
Streak
Color of powder when rubbed in a streak plate
Cleavage
When minerals split along flat surfaces
Fracture
When the mineral breaks unevenly
Density
Mass/Volume
Specific gravity
Density of mineral/ density of water
Magnetism
Many iron minerals will produce an invisible magnetic force field
Mineral groups
Silicates Native elements Carbonates Halides Phosphates Oxides Sulfides Sulfates
Silicates
Largest group, composed of silicon bonded with oxygen atoms