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Science

TermDefinition
Cleavage The manner in which a mineral breaks along planes where atomic bonding is weak
Crystal Solid in which atoms are arranged in repeating patterns
Fracture When a mineral breaks into pieces with arclike rough or jagged edges
Gem Rare precious highly prized mineral that can be cut polished and used for jewelry
Hardness measure of how easily a mineral can be scratched which is determined by the arrangement of a minerals atoms
Luster The way that a mineral reflects light from its surface two types of metallic and nonmetallic
Mineral Naturally occurring inorganic solid with a specific chemical composition and a definite crystalline structure
Silicate Mineral that contains silicon oxygen and usually one or more other elements
Specific gravity Ratio of the mass of a substance to the mass of an equal volume of h2O at 4 Celsius
Streak Color a mineral leaves when it is rubbed across an unglazed porcelain plate or when it is broken up and powdered
Tetrahedron A geometric solid having four sides that are equilateral triangle
Basaltic rock Rock that is dark colored has lower silica contents and is rich in iron and magnesium contains mostly plagioclase and pyroxene
Bowen’s reaction series Sequential what is Google group bunch pattern in which minerals crystallize from Cooling magma
Extrusive rock Fine grained hurt me as rock that is formed one more on Rockwells quickly and solidifies on earths surface
Fractional crystallization Processes in which different minerals crystallize from magma at different temperatures are moving elements from magma
Granitic rock White colored interested igneous rock that has high silica content
Igneous rock Intrusive or extras of rock forms from the cooling and crystallization of magma or lava
Intrusive rock coarse grained igneous rock that is formed when molten rock cools slowly and solidifies inside earths crust
Kimberlite Rare ultramafic rock that can contain diamonds and other minerals formed on the under very high pressures
Lava Magma that flows out onto earths surface
Partial melting Process in which different minerals melt into magma different temperatures changing its composition
Pegmatite Igneous rock with extremely large gray and minerals that can contain rare ores such as lithium and beryllium
Porphyritic texture Rock texture characterized Buy large well form crystals surrounded by final green crystals of the same or different mineral
Texture Massage shaved and distribution of the crystals or dreams that make up a rock
Vesicular texture Characterized by containing vesicles or holes formed by gas bubble
Created by: kenzie2