science again again Flashcards
mineral
a natural fromed inorganic solid that has a crystal line spoccer
element
a substance that can not be seperated or broken down into an inorganic into simpler substances by chemical means
compound
a substance made up of atomoms of two or more different elements joined by chemical bands
crystal
a solid whos atom ion or molocules are arranged in a definite pattern
luster
the way in which a mineral reflects light
streak
the color of a powder of a mineral
cleavage
the splitting of a mineral along smooth flat surface
fracture
the manner in whice a mineral breaks along either curved or irregular sufaces
density
the ration of the mass of a substance to the volume of the substance
hardness
a meause of the ability of a mineral to resist scratching
rock
the solid mineral material forming part of the surface of the earth and other similar planets, exposed on the surface or underlying the soil or oceans
density
the degree of compactness of a substance
Ore
a naturally occurring solid material from which a metal or valuable mineral can be profitably extracted
Metallic minerals
ore deposits containing metal ores to be extracted or processed into concentrate containing metals
Non-metallic minerals
minerals that are of value for intrinsic properties of the minerals themselves and not as a source of metal