rock and mineral Flashcards
mineral
a naturally-formed inorganic solid does a Define chemical structure
rock
and actually 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 of atoms or two or more elements joined by chemical bonds
crystal
a solid whose atoms ions are molecules are arranged in a Define pattern
color
usually the first thing someone notices about a mineral
luster
the way in which a mineral reflects light
streak
the color of the powdeer 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 amount of something in an object
ore
a natural material whose concentration of Eco nomically valuable minerals is high enough for the material to be mined profitably
metallic mineral
minerals containing one or more metals
nonmetallic minerals
a special group of chemical elements from products that commitment that such as sand Limestone clay and marble
gemstones
precious stone
igneous rock
one of the three main Rock types down by the cooling of magma or lavadown by the cooling of magma or lava
sedimentary rock
made by the decomposition of other rocks
metamorphic rock
one igneous or sedimentary rocks that have been squished
