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Anatase
Anatase

Pumpellyite
Pumpellyite



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Anatase
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Pumpellyite

Anatase and Pumpellyite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Fibrous
1.2 Pleochroism
Weak
Not Available
1.3 Dispersion
0.21NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Gemmological Tables (2004)
1.5 Refractive Index
2.488-2.5621.674-1.764
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
monoclinic
1.8 Birefringence
0.0730.014-0.016
Achroite
0 0.296
1.9 Clarity
Transparent
OpaqueUlrich Henn and Claudio C. Milisenda

Anatase and Pumpellyite Optic Character

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

Anatase and Pumpellyite Transparency

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