Rocks and Minerals Flashcards
Mineral
a solid inorganic substance of natural occurrence.
Rock
Rock or stone is a natural substance, a solid aggregate of one or more minerals or mineraloids.
Element
A substance that cannot be decomposed into simpler substances
Compound
a thing that is composed of two or more separate elements; a mixture.
Crystal
A crystal or crystalline solid is a solid material whose constituents are arranged in a highly ordered microscopic structure,
Color
the property possessed by an object of producing different sensations on the eye as a result of the way the object reflects or emits light.
Luster
a gentle sheen or soft glow, especially that of a partly reflective surface.
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Streak
a long, thin line or mark of a different substance or color from its surroundings.
Cleavage
a sharp division; a split.
Fracture
the cracking or breaking of a hard object or material.
Density
the degree of compactness of a substance.
Ore
a naturally occurring solid material from which a metal or valuable mineral can be profitably extracted.
Metallic minerals
with a high specific gravity
Non-metallic minerals
: Non-metallic mineral reserves consist of stone quarries
Gemstones
a precious or semiprecious stone, especially one cut, polished, and used in a piece of jewelry.
Igneous rock
gneous rock, or magmatic rock, is one of the three main rock types, the others being sedimentary and metamorphic.
Sedimentary rock
Sedimentary rocks are types of rock that are formed by the deposition and subsequent cementation of mineral or organic particles on the floor of oceans or other bodies of water
Metamorphic rock
Metamorphic rocks arise from the transformation of existing rock types, in a process called metamorphism, which means
