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ES Chapter 4 Voc

Vocabulary

TermDefinition
mineral naturally occurring, inorganic solid with a specific chemical composition and a definite crystalline structure.
crystal solid in which atoms are arranged in repeating patterns.
luster the way that a mineral reflects light from its surface; two types-metallic and nonmetallic. nonmetallic.
hardness measure of how easily a mineral can be scratched, which is determined by the arrangement of a mineral's atom.
cleavage the manner in which a mineral breaks along planes where atomic bonding is weak.
fracture when a breaks into pieces with arclike, rough, or jagged edges.
streak color mineral leaves when it is rubbed across an unglazed porcelain plate or when it is broken up and powdered.
specific gravity ratio of the mass of a substance to the mass of an equal volume of H20 at 4C.
Created by: savannahperkins
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