Six Basic Systems of Crystal Symmetry Flashcards

1
Q

3 equal length axes at right angles

A

Isometric

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2
Q

Two equal axes
3rd either longer or shorter
All right angles

A

Tetragonal

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3
Q

Three unequal axes

All right angles

A

Orthorhombic

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4
Q

3 unequal axes
2 right angles
Third perpendicular to one but oblique to another

A

Monoclinic

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5
Q

3 unequal axes

All obique angles

A

Triclinic

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6
Q

Three equal axes in same plane
Intersecting at 60 degrees
Fourth perpendicular to plane of other three

A

Hexagonal

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