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Wulfenite
Wulfenite

Siderite
Siderite



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Wulfenite
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Siderite

Wulfenite and Siderite Optical Properties

Optical Properties

Luster

Adamantine, Resinous
Pearly

Pleochroism

Weak
-

Dispersion

0.030.04
0.005 1
👆🏻

Transparency

Transparent
Transparent, Translucent

Refractive Index

2.280-2.4051.633-1.875
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
Trigonal

Birefringence

0.1220.242
0 0.296
👆🏻

Clarity

Transparent
Transparent

Wulfenite and Siderite Optic Character

Wulfenite and Siderite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Wulfenite and Siderite Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Wulfenite and Siderite optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

Wulfenite and Siderite Transparency

Similar to their colors, Wulfenite and Siderite transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Wulfenite is Transparent while Wulfenite is Transparent in appearance.