Astrophyllite and Mexican fire opal Optical Properties

×

Astrophyllite

☒

Mexican fire opal

☒

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X

Astrophyllite

X

Mexican fire opal

Astrophyllite

Astrophyllite

Mexican fire opal

Mexican fire opal

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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

Greasy, Pearly

Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow

0.12

Translucent

1.678-1.758

-

Triclinic

0.050

Translucent

-

-

0.01

-

-9999

-

-

-9999

-

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