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Citrine
Citrine

Bertrandite
Bertrandite



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Citrine
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Bertrandite

Citrine and Bertrandite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
Natural: weak; yellow light yellow.
0.01
Transparent
1.544-1.553
-
Trigonal
0.009
Transparent
 
Vitreous
none.
0.01
TransparentAnthony et al
1.583-1.614
-
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: Ccm21
-9999
TransparentAnthony et al

Citrine and Bertrandite Optic Character

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

Similar to their colors, Citrine and Bertrandite 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 while Citrine is in appearance.