mineral Flashcards
(18 cards)
mineral
a antural formed inorganic solid that has a defined crytaline structure
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.
element
a substance that cannot be seprated pr brken down into be seprated or by chemical
compound
a substance made up of atoms of two or more different elements joined by chemical bond
crystal
a solid whose atom ions or molrcules are arranged in a defnite pattern
color
usually 1st characteristic noticed about a mineral, but generally not reliable
luster
the way in which a mineral reflects light
streak
the color of the powder of mineral
cleavage
the splitting of a mineral along smooth flat surface
fracture
the manner in which a mineral breaks along either curved or irrgular surface
density
the ratio of the mass of a substance to the volume of substance
ore
a naturally occurring solid material from which a metal or valuable mineral can be profitably extracted.
metallic mineral
shiny surfaces do not let light pass through them and are good conductors of heat and electricty
non-metallic mineral
shiny or dull surfaces may let light pass through them and are good insulators of electricity
gemstone
highly valued mineral for beauty and rarity
igneous rock
rock made out of cooled magma or lava
sedimentary rock
small particles and subsequent cementation of mineral or organic particles on the floor of oceans or other bodies of water at the Earth’s surface
metamorphic rock
is subjected to heat and pressure, causing profound physical or chemical change.