Rock & Minerals Flashcards
mineral
a naturally formed inorganic solid that has a definite line structure
rock
the things you skip on water
element
a substance that cannot be separated or broken down into simpler substances by chemical means
crystal
a solid whose atoms, ions, or molecules area arranged in a definite pattern
compound
a substance made up of atoms of 2 or more different elements joined by chemical bonds
color
the shade of something
luster
the way in which a mineral reflect light
streak
the color of the powder of a mineral
cleavage
the splitting of a mineral along smooth, flat surfaces
fracture
the manner in which a mineral breaks along either curved or irregular surfaces
density
A ratio of mass to the volume of the substance
ore
a natural material whose concentration of economically valuable minerals is high enough for the material to be mined profitably
metallic minerals
minerals that have shiny surfaces
non-metallic minerals
minerals that have dull surfaces
gemstones
nonmetallic minerals
igneous rock
Rocks that form from lava
sedimentary rock
rocks that are made from the effects of weather
metamorphic rock
rocks that change over time
