Memorise Flashcards

1
Q

Wavelength of Sodium Light

A

589.3 nanometres

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2
Q

Uniaxial

A

One optic axis (equal to the C-axis)

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3
Q

Biaxial

A

More than one optic axes (2-3). C axis is not the optic axis. 2v angle where the optic axes meet the C-axis

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4
Q

Optic Axis

A

A direction in a DR stone where it appears to be SR

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5
Q
A
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