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Pleonast
Pleonast
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Pleonast
Pleonast
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Optical Properties

Luster

-

Pleochroism

-

Dispersion

0.03
Rank: 44 (Overall)
0.005 1
👆🏻

Transparency

-

Refractive Index

-9999
1 3.25
👆🏻

Optic Character

-

Crystal System

-

Birefringence

-9999
0 0.296
👆🏻

Clarity

-

Blue Gemstones

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Bort
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Bort
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Bort
Dumortierite quartz Vs Bort

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