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Citrine
Citrine

Andalusite
Andalusite



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Citrine
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Andalusite

Citrine and Andalusite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Greasy
1.2 Pleochroism
Natural: weak; yellow light yellow.
strongly trichroic
1.3 Dispersion
0.010.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent, Translucent
1.5 Refractive Index
1.544-1.5531.627-1.650
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Orthorhombic
1.8 Birefringence
0.0090.009-0.010
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Citrine and Andalusite Optic Character

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

Citrine and Andalusite Transparency

Similar to their colors, Citrine 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, Citrine is Transparent while Citrine is Transparent in appearance.