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Andalusite
Andalusite

Wulfenite
Wulfenite



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Andalusite
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Wulfenite

Andalusite and Wulfenite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Adamantine, Resinous
1.2 Pleochroism
strongly trichroic
Weak
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Transparent
1.5 Refractive Index
1.627-1.6502.280-2.405
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
tetragonal
1.8 Birefringence
0.009-0.0100.122
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Andalusite and Wulfenite Optic Character

Andalusite and Wulfenite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Andalusite and Wulfenite 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 Andalusite and Wulfenite 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.

Andalusite and Wulfenite Transparency

Similar to their colors, Andalusite and Wulfenite 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, Andalusite is Translucent and Transparent while Andalusite is Translucent and Transparent in appearance.