mineral Flashcards
mineral
a naturally occurring inorganic element
rock
natural substance composed of solid crystals
element
a substance that cannot be separated
compound
something composed of two separate elements
crystal
a solid in which atoms form a specific pattern
color
usually the first characteristic noticed
luster
a reflective metallic surface
streak
a mark made when rubbing
cleavage
a sharp division
fracture
a break
density
a substances mass
ore
a naturally occurring solid material
metallic minerals
minerals that contain one or more metallic elements
non-metallic minerals
minerals that arent metallic looking
gemstones
various minerals that are very rare
igneous rocks
rocks that are formed when magma cools
sedimentary rock
rock that were formed when something dead is dug up
metamorphic rock
rocks formed when a rock is subdued to extreme heat or pressure