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Pumpellyite
Pumpellyite

Tavorite
Tavorite



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Pumpellyite
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Tavorite

Pumpellyite and Tavorite Optical Properties

1 Optical Properties
1.1 Luster
Fibrous
Vitreous
1.2 Pleochroism
Not Available
Yellow-green colorlessAnthony et al
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004)
Transparent
1.5 Refractive Index
1.674-1.7641
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Not Available
1.8 Birefringence
0.014-0.016Not Available
Achroite
0 0.296
1.9 Clarity
OpaqueUlrich Henn and Claudio C. Milisenda
Transparent

Pumpellyite and Tavorite Optic Character

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

Pumpellyite and Tavorite Transparency

Similar to their colors, Pumpellyite and Tavorite 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, Pumpellyite is Gemmological Tables (2004) while Pumpellyite is Gemmological Tables (2004) in appearance.