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Druzy
Druzy

Andalusite
Andalusite



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Druzy
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Andalusite

Druzy and Andalusite Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Vitreous, Greasy
1.2 Pleochroism
Not Available
strongly trichroic
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Opaque
Transparent, Translucent
1.5 Refractive Index
Not Available1.627-1.650
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Isometric
Orthorhombic
1.8 Birefringence
Not Available0.009-0.010
Achroite
0 0.296
1.9 Clarity
Opaque
Transparent

Druzy and Andalusite Optic Character

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

Druzy and Andalusite Transparency

Similar to their colors, Druzy 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, Druzy is Opaque while Druzy is Opaque in appearance.