Rock and Mineral Flashcards
Mineral
a naturally formed inorganic solid that has a definite crystaline structure
Rock
a solid mineral material forming part of the surface of the earth
Element
a substance that cannot be seperated or broken down into simpler substances
Compound
composed with two or more elements
Crystal
a solid where the atoms form a periodic arrangement
Color
the light reflected off a object
Luster
the quality of shining by reflecting light
Streak
the color of a mineral when powederd
Cleavage
how mineral break along flat planes
Fracture
how minerals break along rigid planes
Density
the measure of mass per until of volume
Ore
a naturally occuring solid material
Metallic minerals
a object that light can reflect off of
Non-metallic minerals
a object the light cannot reflect off of
Gemstones
a highly valuable piece of mineral
