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Citrine
Citrine

Pumpellyite
Pumpellyite



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Citrine
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Pumpellyite

Citrine and Pumpellyite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Fibrous
1.2 Pleochroism
Natural: weak; yellow light yellow.
Not Available
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Gemmological Tables (2004)
1.5 Refractive Index
1.544-1.5531.674-1.764
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
monoclinic
1.8 Birefringence
0.0090.014-0.016
Achroite
0 0.296
1.9 Clarity
Transparent
OpaqueUlrich Henn and Claudio C. Milisenda

Citrine and Pumpellyite Optic Character

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

Similar to their colors, Citrine and Pumpellyite 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.