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Amber
Amber

Pumpellyite
Pumpellyite



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Amber
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Pumpellyite

Amber and Pumpellyite Optical Properties

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1 Optical Properties
1.1 Luster
Resinous
Fibrous
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
2.5 Transparency
Transparent, Translucent
Gemmological Tables (2004)
2.6 Refractive Index
1.539-1.5451.674-1.764
Agate Opal
1 3.25
2.10 Optic Character
Not Available
Not Available
2.11 Crystal System
Amorphous
monoclinic
2.12 Birefringence
Not Available0.014-0.016
Achroite
0 0.296
3.4 Clarity
Transparent
OpaqueUlrich Henn and Claudio C. Milisenda

Amber and Pumpellyite Optic Character

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

Amber and Pumpellyite Transparency

Similar to their colors, Amber 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, Amber is Translucent and Transparent while Amber is Translucent and Transparent in appearance.