Andalusite and Scorodite Optical Properties

Andalusite

Scorodite

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1 Optical Properties

1.1 Luster

Vitreous, Greasy

Sub-Adamantine, Vitreous, Resinous

1.2 Pleochroism

strongly trichroic

Weak

1.3 Dispersion

0.02NA

0.007 1

1.4 Transparency

Transparent, Translucent

Not Available

1.5 Refractive Index

1.627-1.650Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

1.8 Birefringence

0.009-0.010Not Available

0 0.296

1.9 Clarity

Transparent

Not Available

Andalusite and Scorodite Optic Character

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

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Andalusite and Scorodite Transparency

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