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Moldavite
Moldavite

Andalusite
Andalusite



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Moldavite
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Andalusite

Moldavite and Andalusite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Greasy
1.2 Pleochroism
Absent
strongly trichroic
1.3 Dispersion
None0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Transparent, Translucent
1.5 Refractive Index
1.48-1.541.627-1.650
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Amorphous
Orthorhombic
1.8 Birefringence
Not Available0.009-0.010
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Moldavite and Andalusite Optic Character

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

Moldavite and Andalusite Transparency

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