Rock and MIneral Vocab Flashcards
mineral
a naturally found organic solid that has a definite crystal-line structure
rock
made of minerals
element
a substance that cannot be broken down into simpler substances by chemical means
compund
a substance made up of 2 or more different elemts joined by chemical bonds
crystal
a solid whose atoms, ions, or molecules are arranged in definite pattern
color
what color the rock or mineral is
luster
the way in whick a mineral reflects light
streak
the color of the powder of a mineral
cleaveage
the splitting of a mineral along smooth, flat surfaces
fracture
the manner in which a mineral breaks along either curved or irregular surfaces
density
the ratio of the mass of a substance to the volume of the substance
ore
a natural material whose concentration of econmically valuable minerals is high enough for the material to be mined profitably
Metallic`
has a shiny surface, good conductors
non- metallic
has a dull surface, bad conductors
gemstones
diamonds, ruby,sappire, emerald, etc.