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Definitions (27)
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tarnish
To dull the luster of a mineral by exposure to air or dirt. Tarnish is a form of corrosion.
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alloy
A mixture of two elements, at least one of which is a metal, which form a new metal with desired properties.
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atom
The smallest unit of an element that retains its properties.
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conductivity
The ability of a mineral to transmit heat, electricity, or sound.
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compound
A naturally-occurring combination of two or more elements in a specific ratio. Compounds need a chemical change to separate into their constituent parts.
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corrosion
Gradual chemical destruction of a mineral. Corrosion often, but not always, operates through oxidation. Tarnish is a form of corrosion.
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crystal
A unit of a mineral that has a symmetrical shape with flat, angled surfaces. The shape arises from an orderly arrangement of the mineral's atoms. Crystals can aggregate to form distinctive overal [..]
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density
The average mass per unit volume of a substance.deposit (mineral)A natural concentration of a mineral in Earth's crust.
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Ductility
The ability of a mineral to be pulled into wire.
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element
(chemical)
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