Andalusite and Blue Beryl Maxixe Optical Properties

Andalusite

Blue Beryl Maxixe

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1 Optical Properties

1.1 Luster

Vitreous, Greasy

Not Available

1.2 Pleochroism

strongly trichroic

Strong dichroism: blue to colourless\

1.3 Dispersion

0.02NA

0.007 1

1.4 Transparency

Transparent, Translucent

Transparent

1.5 Refractive Index

1.627-1.6501.560-1.604

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

Not Available

1.8 Birefringence

0.009-0.0100.003-0.010

0 0.296

1.9 Clarity

Transparent

Andalusite and Blue Beryl Maxixe Optic Character

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

Similar to their colors, Andalusite and Blue Beryl Maxixe 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.