Rocks Flashcards
mineral
a thing in a rock
rock
a bunch of minerals together
element
a part or aspect of something abstract, especially one that is essential or characteristic.
compound
a thing that is composed of two or more separate elements; a mixture.
crystal
a piece of a homogeneous solid substance having a natural geometrically regular form with symmetrically arranged plane faces.
color
the property possessed by an object of producing different sensations on the eye as a result of the way the object reflects or emits light.
luster
a gentle sheen or soft glow, especially that of a partly reflective surface.
streak
a color thing
cleavage
a straight break in a rock
fracture
not a straight fracture
density
how heavy it is
ore
what you mine
metallic
very shiny
non-metallic
not as shiny
gemstones
stones of gems
