Kosta Flashcards
Mineral
a naturally formed inorganic solid that has a definite chemical structure
Rock
a naturally occurring solid mixture of one or more minerals or organic matter.
Element
a substance that cannot be separated or broken down into simpler substances by chemical means.
Compound
a substance made up of atoms of two of more different elements joined by chemical bonds.
Crystal
a solid whose atoms ions or molecules are arranged in a definite pattern.
color
usually 1st characteristic noticed about a mineral, but generally not reliable
Luster
one way in which a mineral reflects 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
the ratio of the mass of a substance to the volume of the substance.
ore
material contains valuable minerals to be mined
Igneous rock
cooled magma becomes igneous rock.
Metallic minerals
shiny surface, conducts heat and electricity. processed into metals.
Non-metallic minerals
Dull or shiny surface. may let light pass though, good insulators of electricity.
