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Wulfenite
Wulfenite

Thomsonite
Thomsonite



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Wulfenite
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Thomsonite

Optical Properties

Luster

Adamantine, Resinous
Vitreous, Pearly

Pleochroism

Weak
-

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

Transparent
Translucent

Refractive Index

2.280-2.4051.510-1.550
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
Orthorhombic

Birefringence

0.1220.015-0.020
0 0.296
👆🏻

Clarity

Transparent
Translucent