rocks and minerales Flashcards
mineral
a solid inorganic substance
rock
a solid mineral
element
all the elements that people cant be uncovered
compound
a thing that is made of two or more elements
crystal
solid substance having a natural geometrically regular form with symmetrically arranged plane faces.
color
someone’s race.
luster
a gentle sheen or soft glow,
streak
thin line or mark of a different substance or color from its surroundings
cleavage
cell division, especially of a fertilized egg cell.
fracture
breaking of a hard object or material
density
the degree of compactness of a substance.
ore
naturally occurring solid material from which a metal or valuable mineral can be profitably
metallic minerals
are minerals which contain one or more metallic elements. Metallic minerals occur in rare, naturally formed
non- metallic minerals
Non-metallic mineral reserves consist of stone quarries and clay and sand pits
gemstone
a precious or semiprecious stone, especially one cut, polished, and used in a piece of jewelry.
Igneous rock
Igneous rock is formed through the cooling and solidification of magma or lava.
Sedimentary rock
Sedimentary rocks are types of rock that are formed by the deposition
Metamorphic rock
metamorphic rock is a type of rock which has been changed by extreme heat and pressure
