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GEOL 2005 Exam 1 > Mineral Properties and Crystal Systems > Flashcards

Mineral Properties and Crystal Systems Flashcards

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1
Q

euhedral

A

mineral crystals completely enclosed by crystal faces

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2
Q

subhedral

A

crystal partially enclosed by crystal faces

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3
Q

anhedral

A

possesses no crystal faces

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4
Q

polymorphs

A

same chemical composition, different physical structure

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5
Q

nesosilicate

A

individual silicate polyhedron (SiO4)

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6
Q

sorosilicate

A

paired polyhedron (Si2O7)

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7
Q

cyclosilicate

A

tetrahedral ring (Si4O12)

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8
Q

inosilicates

A

single/double chains (single Si2O6 (pyroxene), double Si8O22 (amphiboles))

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9
Q

phyllosilicates

A

sheet (Si2O5) serpentine, micas, clays

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10
Q

tectosilicates (framework)

A

network

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GEOL 2005 Exam 1 (3 decks)

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