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Allanite
Allanite
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Allanite
Allanite
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Optical Properties

Luster

-

Pleochroism

-

Dispersion

0.02
Rank: 50 (Overall)
0.005 1
👆🏻

Transparency

-

Refractive Index

1
1 3.25
👆🏻

Optic Character

-

Crystal System

-

Birefringence

0.013-0.036
0 0.296
👆🏻

Clarity

-

Brown Gemstones

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